A = Atom
AA = Acetic Acid
AA = Amino Acid
AA = Atomic Absorption spectroscopy
AACC = American Association for Clinical Chemistry
AADC = Amino Acid DeCarboxylase
AADC = Aromatic L-Amino acid DeCarboxylase
AAS = Atomic Absorption Spectroscopy
AB = Acid Base
AB = Acid Bath
ABACATE = Airborne Biodiversity Assessment of Coastal and Terrestrial Ecosystems
ABC = Atomic, Biological, Chemical
ABCC = Advanced Biomedical Computing Center
ABCC = American Board of Clinical Chemistry
ABS = Absorb
ABS = Acrylonitrile Butadiene Styrene
ABV = Alcohol By Volume
ABW = Alcohol By Weight
Ac = Actinium
AC = Alternating Current
AC = Aromatic Carbon
ACC = American Chemical Council
ACE = Acetate
ACE = Aerosol/Cloud/Ecosystems
ACE = Arctic Collaborative Environment
ACRIMSAT = Active Cavity Radiometer Irradiance Monitor Satellite
ACS = American Chemical Society
ADC = Analog-to-Digital Converter
ADH = Antidiuretic Hormone
ADM = Atmospheric Dynamics Mission
ADP = Adenosine DiPhosphate
AE = Acid Equivalent
AE = Activation Energy
AE = Atomic Emission
AERONET = Aerosol Robotic Network
AFS = Atomic Fluorescence Spectroscopy
Ag = Silver
AH = Aryl Hydrocarbon
AHA = Alpha Hydroxy Acid
AID = Aircraft Instrument Demonstration
AIRS = Atmospheric Infrared Sounder
Al = Aluminum
Aladin = Atmospheric Laser Doppler-Lidar Instrument
ALDH = ALdehyde DeHydrogenase
ALICE = A Large Ion Collider Experiment
ALT = Altimeter
Am = Americium
AM = Atomic Mass
AMP = Adenosine MonoPhosphate
AMSR-E = Advanced Microwave Scanning Radiometer-EOS
AMU = Atomic Mass Unit
AN = Ammonium Nitrate
ANSI = American National Standards Institute
AO = Aldehyde Oxidase
AO = Aqueous Oxygen
API = Aromatic PolyImide
APS = Advanced Polarimetry Sensor
APSP = Analog Pulse Shape Processor
APV = Amplifier Chip Series
APVMUX = APV Multiplexer
AR = Analytical Reagent
Ar = Argon
ARCTAS = Arctic Research of the Composition of the Troposphere from Aircraft and Satellites
ARRA = American Recovery and Reinvestment Act
ART = Astronomical Rontgen Telescope
AS = Ammonium Sulfate
As = Arsenic
ASA = AcetylSalicylic Acid
ASCENDS = Active Sensing of CO2 Emissions over Nights, Days, and Seasons
ASIC = Application Specific Integrated Circuit
ASP = ASParate
ASTER = Advanced Spaceborne Thermal Emission and Reflection Radiometer
AT NO = Atomic Number
AT = Adenine and Thymine
AT = Alkaline Transition
At = Astatine
ATLAS = A Toroidal LHC Apparatus
ATMS = Advanced Technology Microwave Sounder
ATP = Adenosine TriPhosphate
ATP = Ambient Temperature Pressure
Au = Gold
AVIRIS = Airborne Visible/Infrared Imaging Spectrometer
AW = Atomic Weight
AWACS = Airborne Warning and Control System
AXP = Anomalous X-ray Pulsar
B = Boron
Ba = Barium
BA = Benzyl Alcohol
BA = Bonding Activity
BA = Butyl Acetate
BAP = Benzyl Amino Purine
BASIC = Beginner's All Purpose Symbolic Instruction Code
BATSE = Burst and Transient Source Experiment
BC = Bond Centered
BC = Boron Carbide
BCAA = Branched Chain Amino Acid
BCC = Body Centered Cubic
BCF = Black Carbon Fiber
BCG = Bacillus Calmette-Guerin
BD = Black Diamond
Be = Beryllium
BE = Bond Energy
BeV = Billion Electron Volt
BFR = Brominated Flame Retardants
Bh = Bohrium
BHA = Butylated Hydroxy Acid
BHA = Butylated HydroxyAnisole
BHD = Benzene Hydrogen Donor
BHT = Butylated Hydroxy Toluene
Bi = Bismuth
Bk = Berkelium
BLEVE = Boiling Liquid Expanding Vapor Explosion
BM = Base Metal
BMDL = Below Method Detection Limits
BNL = Brookhaven National Laboratory
BOD = Biological Organic Deposit
BOV = Blow Off Valve
BP = Benzoyl Peroxide
BP = Boiling Point
BPO = Benzoyl PerOxide
Br = Bromine
BTA = BuTylated hydroxyAnisole
BTEX = Benzene, Toluene, Ethylbenzene and Xylene
BTTN = ButaneTriol TriNitrate
BTU = British Thermal Unit
BTX = Benzene, Toluene, Xylene
BWR = Boiling Water Reactor
BX = Bunch Crossing
Bz = Benzoyl functional group
BZP = BenZylPiperazine
C = Carbon
C = Celsius
C = Coulomb
C = Cytosine
Ca = Calcium
CA = Cytric Acid
CAB = Cation-Anion Balance
CADS = Chemical Agent Detection System
CALIPSO = Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations
CAR = Cloud Absorption Radiometer
CAR = Commercial And Residential
CAS = Chemical Abstracts Service
CASIE = Characterization of Arctic Sea Ice Experiment
CAW = Catalyst Altered Water
CB = Conduction Band
CBA = Cytometric Bead Array
CBR = Chemical, Biological, Radiological
CBRE = Chemical, Biological, Radiological Element
CBRN = Chemical, Biological, Radiological, or Nuclear
CC-VEX = Calipso and CloudSat Validation Experiment
CC = Cubic Centimeter
CCBA = Chemical Coordinate Bonding and Adsorption
CCL = Contaminant Candidate List
CCS = Carbon Capture Storage
CCTV = Closed-Circuit Television
CCU = Communications and Control Unit
Cd = Cadmium
CDA = Clean Dry Air
cDNA = complementary DNA
CDR = Chemical Distribution Room
CDSL = Chemical Data Summary List
CDU = Chemical Dispensing Unit
Ce = Cerium
CE = Chemical Engineering
CEP = Chemical Engineering Process
CERES = Clouds and Earth's Radiant Energy System
CERN = European Laboratory for Particle Physics
Cf = Californium
CF = Carbon Fiber
CF = Ceramic Fiber
CFA = Cetylated Fatty Acid
CFC = Chloro Fluoro Carbon
CFC = Chlorofluorocarbon
CFRP = Carbon Fiber Reinforced Plastic
cg = centigram
CGS = Centimeter, Gram, Second
CHC = Chlorinated HydroCarbon
Chem = Chemistry
CHM = Chemistry
CHO = Carbohydrate
Ci = Curie
CIESEN = Center from International Earth Science Information Network
CLARREO = Climate Absolute Radiance and Refractivity Observatory
CLASIC = Cloud and Land Surface Interaction Campaign
CLASP-2 = Chromospheric Layer Spectropolarimeter-2
CLASP = Chromospheric Lyman-Alpha SpectroPolarimeter
CLC = Cross Linked Cellulose
CLPXII = Cold Land Processes Field Experiment II
cm = centimeter
Cm = Curium
CMC = Common Mode Correction
CMIS = Conical Microwave Imager/Sounder
CML = Chemical Markup Language
CMOS = Complementary Metal-Oxide Semiconductor
CMS = Compact Muon Solenoid
CN = Coordination Number
CN = Cyanide
CNG = Compressed Natural Gas
CNO = Carbon Nitrogen Oxygen
CNP = Cyclic Nucleotide Phosphodiesterase
CNS = Central Nervous System
CNT = Carbon NanoTube
CO = Carbon monoxide
Co = Cobalt
CONAE = Comision Nacional de Actividades Espaciales
COSMIC = Constellation Observing System for Meteorology, Ionosphere and Climate
CP = Charge-Parity
CP = Chemically Pure
CP = Cratine Phosphate
CPA = CoPolymer Alloy
CPE = Chemical Potential Energy
Cr = Chromium
CR = Corrosion Resistant
CRAP = Crude Reagent And Products
CRC = Chemical Rubber Company
CREST = Coupled Routing and Excess Storage
CrIS = Cross-track Infrared Sounder
cRNA = complementary RNA
CRO = Cathode-Ray Oscilloscope
CRT = Cathode Ray Tube
Cs = Cesium
CSAC = Chemical Safety Analysis and Control
CSAD = Cysteine Sulfinic Acid Decarboxylase
CSC = Cathode Strip Chambers
CSPAR = Center for Space Plasma and Aeronomic Research
CSTR = Continuously Stirred Tank Reactor
CTM = Chemistry and Transport Model
Cu = Copper
CVCS = Chemical Volume Control System
CW = Chemical Warfare
CWA = Chemical Warfare Agent
D2O = Deuterium Oxide or Heavy Water
d = day
D = Deuterium
D = Dilute
DAB = Diaminobenzidine
DAC = Digital-to-analog converter
DAP = DiAmmonium Phosphate
DAQ = Data Acquisition
dB = decibel
DB = Double Bond
Db = Dubnium
DC = Direct Current
DCU = Detector Control Unit
DDT = Dichloro Diphenyl Trichloroethane
DE = Dissociation Energy
DEC = Direct Evaporative Cooling
DEG = Degree
DEG = DiEthylene Glycol
DELPHI = Detector with Lepton, Photon and Hadron Identification
DESDynI = Deformation, Ecosystem Structure, and Dynamics of Ice
DFS = Dual-frequency Scatterometer
DGA = Dissolved Gas Analysis
DHA = DocosaHexanoic Acid
DHMO = Dihydrogen Monoxide
DHY = Dehydrate
DI = Diffusion Index
DIAPHOX = Diamino Phosphine Oxide
DIN = Dissolved Inorganic Nitrogen
DIP = Dissolved Inorganic Phosphate
DIW = De-Ionized Water
DLC = Dry Liquid Concentrate
DLL = Delay-Locked Loop
DLR = German Aerospace Center
DLS = Dynamic Light Scattering
DM = Dipole Moment
DM = Dry Matter
DMAE = Dimethyl Amino Ethanol
DMAP = Dimethyl Amino Pyridine
DMBP = Dimethyl Benzo Phenone
DME = DiMethyl Ether
DMG = DiMethyl Glycine
DMHg = DiMethyl mercury
DMK = DiMethyl Ketone
DMSO = DiMethyl SulfOxide
DMSP = Defense Meteorological Satellite Program
DMT = Dimethyltryptamine
DNA = DeoxyriboNucleic Acid
DOC = Dissolved Organic Compounds
DoD = Department of Defense
DP = Differntial Pressure
DP = Dry Process
DPM = Dual Port Memory
DPM = Dynamic Proton Model
DPR = Dual-Frequency Precipitation Radar
DQS = Discrete Quantum State
DRR = Double Replacement Reaction
DSCOVR = Deep Space Climate Observatory
DT = Drift Tube Chambers
DU = Depleted Uranium
DWSS = Defense Weather Satellite System
Dy = Dysprosium
e = electron
E = Energy
EA = Epoxy Adhedsive
EA = Ethyl Acetate
EAA = Ethylene Acrylic Acid
EAM = Embedded Atom Method
EAS = Electrophilic Aromatic Substitution
EB = Electrode Barrier
EBSD = Electron BackScatter Diffraction
EBT = Eriochrome Black T indicator
EC = Electron Capture
EC = Ethyl Carbonate
ECAL = Electromagnetic Calorimeter
ECD = Electron Capture Detector
ECH = Enoyl-CoA Hydratease
ECMWF = European Centre from Medium Range Weather Forecasts
EDI = Electrical De-Ionization
EDP = Ethylene Diamine Pyrocatehol
EDT = 1,2-Ethane DiThiol
EDTA = Ethylene-Diamine-Tetra-Acetic acid
EDU = Engineering Development Unit
EE = Ether Extract
EEC = Equilibrium Equivalent Concentration
EEC = Evaporation Emission Control
EEEI = Effective Electron-Electron Interaction
EELV = Evolved Expendable Launch Vehicle
EER = Equilibrium Exchange Rate
EET = Excitation Energy Transfer
EG = Ethylene Glycol
EGE = Ethylene Glycol Ether
EGO = Exhaust Gas Oxygen
EGR = Entropy Gradient Reversal
EGTA = Ethylene Glycol Tetraacetic Acid
EHF = Extremely High Frequencey
EIC = Electromagnetically-Induced Chirality
ELF = Extremely Low Frequency
EM = ElectroMagnetic
EM = Elevated Moisture
EMA = Ethylene Methacrylic Acid
EMF = ElectroMotive Force
EN = Ethylene Naphthalate
EO-1 = Earth Observing Mission-1
EOF = ElectroOsmotic Flow
EOS = Earth Observing System
EOSDIS = Earth Observing System Data and Information System
EP = Ethylene Polypropylene
EPA = Environmental Protection Agency
EPD = End Point Dilution
EPDM = Ethyl Propyl Diene Monomer
EPH = Extractable Petroleum Hydrocarbons
EPI = EPInephrine
Eq = Equivalent
Er = Erbium
ERB = Earth Radiation Budget
ERBS = Earth Radiation Budget Sensor
ERW = Electrolyzed Reduced Water
Es = Einsteinium
ES = Excited State
ESA = European Space Agency
ESAS = Earth Science and Applications from Space
ESD = Earth Science Division
ESE = Earth Science Enterprise
ESPO = Earth Science Program Office
ESTO = Earth Science Technology Office
ETOH = EThyl Alcohol
Eu = Europium
EUMETSAT = European Organization for the Exploitation of Meteorological Satellites
EV = Earth Venture
EV = Exceptional Vacuum
EVA = Ethylene Vinyl Acetate
EVOH = Ethylene Vinyl Alcohol
f = femto
F = Fluorine
FA = Fully Amorphous
FA = Furnace Annealing
FAC = Free Available Chlorine
FAD = Flavin Adenine Dinucleotide
FADE = Fast Atomic Density Evaluation
FAN = Free Amino Nitrogen
FAS = Fluorescence Actin Staining
FAS = Folic Acid Synthesis
FBC = Fesser, Bishop and Campbell model
FBD = Free Body Diagram
FBR = Fast Breeder Reactor
FBTR = Fast Breeder Test Reactor
FC = Face Cell
FC = Face Centered
FC = Fragment Crystallization
FCC = Face Centered Cubic
FCC = Fluid Catalytic Cracking
FCC = Food Chemical Codex
FCCU = Fluidized Catalytic Cracking Unit
FCHC = Face Centered Hyper-Cubic
FCS = Fellow of the Chemical Society
FCS = Fire Control System
FCS = Fluorescence Correlation Spectroscopy
FE = Ferredoxin
Fe = Iron
FEC = Front-End Controller
FET = Field Effect Transistor
FGC = Flue Gas Conditioning
FIFO = First In First Out
FIGD = Flow Injection/Gas Diffusion
FIGE = Field Inversion Gel Electrophoresis
FIPS = Fast Imaging Plasma Spectrometer
Fm = Fermium
FNMOC = U.S. Navy's Fleet Numerical Meteorology and Oceanography Center
FOS = FructoOligoSaccharide
FOXFET = Field Oxide Field Effect Transistor
FOXSI = Focusing X-ray Solar Imager
FP = Freezing Point
FPD = Freezing Point Depression
FPGA = Field Programmable Gate Array
FPLC = Fast Performance Liquid Chromatography
Fr = Francium
FRAP = Fluorine-Resistant Acid Phosphatase
FRS = Fellow of the Royal Society
FS = Free State
FSA = Formamidine Sulphinic Acid
FW = Formula Weight
FWHM = Full Width at Half Maximum
G = Gauss
G = Gibbs Free Energy
G = Giga
G = Glycine
G = Guanosine
Ga = Gallium
Ga = Gauge
GABA = Gamma-AminoButyric Acid
GACM = Global Atmospheric Composition Mission
GAD = Glutamate Decarboxylase
GAG = Glycosaminoglycan
GBB = Gas Blow Back
GBM = Gamma-ray Burst Monitor
GC = Geiger Counter
GCC = Global Carbon Cycle
GCC = Global Climate Change
GCC = Glucocorticoid
GCC = Guanylyl Cyclase C
GCMS = Gas Chromatographic Mass Spectrometer
GCOM-C = Global Change Observation Mission-Climate
GCOM-W = Global Change Observation Mission-Water
Gd = Gadolinium
GDP = Guanosine DiPhosphate
GE = Genetic Engineering
Ge = Germanium
GE = Group Element
Gel = Gelatin
GEM = Genetically Engineered Microorganism
GEO-CAPE = Geostationary Coastal and Air Pollution Events
GEP = Good Engineering Practice
GER = Gains Electrons Reduction
GFM = Gram Formula Mass
GFW = Gram Formula Weight
GHB = Gamma-Hydroxy Butyrate
GI = Galvanized Iron
GI = Glycemic Index
GIFTS = Geosynchronous Imaging Fourier Transfer System
GLA = GaLactosidase Alpha
GLA = Gamma-caroxyglutamic Acid
GLA = Gamma-Linolenic Acid
GLAST = Gamma-ray Large Area Space Telescope
GLC = Gas Liquid Chromatography
Glc = Glucose
GLEAM = Great Lakes Environmental Assessment and Mapping
Glk = Glucokinase
GLM = Geostationary Lightning Mapper
GloPac = Global Hawk Pacific
GM = Geiger-Mueller tube
GMAO = Global Modeling and Assimilation Office
GMAO = Global Modeling and Assimilation Office
GMI = GPM Microwave Imager
GMM = Gram Molecular Mass
GMS = Geostationary Meteorological Satellite
GNSS = Global Navigation Satellite System
GODAE = Global Ocean Data Assimilation Office
GOES-R = Geostationary Orbit Environmental Satellite-R Series
GOES = Geostationary Operational Environmental Satellite
GOSAT = Greenhouse Gas Observing Satellite
GP = Gas Phase
GP = Glycerate 3-Phosphate
GP = GlycoProtein
GPC = Gel Permeation Chromatography
GPM = Global Precipitation Measurement
GPS = Global Positioning System
GPSRO = Global Positioning System Radio Occultation
GRACE-FO = Gravity Recovery and Climate Experiment-Follow On
GRACE-II = Gravity Recovery and Climate Experiment-II
GRACE = Gravity Recovery and Climate Experiment
GRIP = Genesis and Rapid Intensification Process
GS = Guanosine Synthetase
GT = Greater Than
GTL = Gas To Liquid
GTN = Glyceryl TriNitrate
GUI = Graphical User Interface
GWE = Global Weather Experiment
Gy = Gray
h = convection heat transfer coefficient
H = Hydrogen
h = Planck’s constant
Ha = Hahnium
HA = Hemagglutinin
HAA = HaloAcetic Acid
HAc = Acetaldehyde
HAc = Acetic Acid
HACCP = Hazard Analysis and Critical Control Points
HAP = Hazardous Air Pollutant
HAS = Helium Atom Scattering
HAS = HyAluronan Synthase
HAT = Hypoxanthine, Aminopterin, Thymidine
HAZMAT = Hazardous Materials
Hb = Hemoglobin
HB = Hydrogen Bonded
HBC = Hemoglobin C
HBCD = HexaBromoCycloDodecane
HBD = Hydrogen Bond Donor
HC = HydroCarbon
HCA = HydroxyCarbonate Apatite
HCA = HydroxyCitric Acid
HCAL = Hadron Calorimeter
HCB = HexaChloroBenzene
HCFC = HydroChloroFluoroCarbon
HDA = High Density Amorphous ice
HDA = HydroxyDecanoic Acid
HDI = Hexamethylene DiIsocyanate
HE = Hektoen Enteric agar
He = Helium
HE = High Explosive
HEA = Hektoen Enteric Agar
HEK = HEKtoen enteric agar
HEL = High Energy Laser
HEMA = HydroxyEthylMethAcrylate
HEP = Half Equivalence Point
HEPA = High-Efficiency Particulate Air
HEPH = Heavy Extractable Petroleum Hydrocarbons
HEPHY = Institute of High Energy Physics
HERO = High Energy Replicated Optics
HES = Hyperspectral Environmental Suite
HEU = Highly Enriched Uranium
HEX = Hydrometeorological Experiment
Hf = Halfnium
HF = Hartree-Fock Method
HF = Heat Flux
HF = High Frequency
HF = Hydrogen Fuel
HFA = HydroFluoroAlkane
HFB = HexaFluoroBenzene
HFC = HydroFluoroCarbon
HFLL = Half-Filled Landau Level
HFP = HexaFluoroPropylene
Hg = Mercury
Hgb = Hemoglobin
HHV = High Heating Value
Hi-C = High-Resolution Coronal Imager
HIC = Household And Industrial Chemical
HICO = Hyperspectral Imager for the Coastal Ocean
HIRAD = Hurricane Imaging Radiometer
HL = Half-Life
HL = Hydrogen Line
HLA = HyaLuronic Acid
HLB = Helium Light Band
HMF = HydroxyMethyl Furfural
HMW = High Molecular Weight
Ho = Holmium
HO = Hydroxyl radical
HOAc = Acetic Acid
HOMO = Highest Occupied Molecular Orbital
HOQS = Highest Occupied Quantum State
HP = High Pressure
hp = horse power
HPHT = High Pressure/High Temperature
HPLC = High Pressure Liquid Chromatography
HPPT = High Pressure Phase Transformation
HPSV = High Pressure Sodium Vapor
Hr = Hour
HRA = Health Risk Assessment
HRD = Hurricane Research Division
Hs = Hassium
HS = Hidden States
HSAB = Hard and Soft Acids and Bases
HST = Hubble Space Telescope
HSV = High Shear Viscosity
HT = Heat Transport
HT = Heat Treated
HT = High Temperature
HTC = Heat Transfer Coefficient
HTGR = High Temperature Gas Reactor
HTH = High Test Hypochlorite
HTS = High Temperature Superconductor
HTST = Hight Temperature/Short Time
HV = High Viscosity
HV = High Voltage
HVLP = High Volume/Low Pressure
HY = High Yield
HyspIRI = Hyperspectral Infrared Imager
Hz = Hertz
HZT = HydroChloroThiazide
I = electrical current
I = Iodine
I = Isoleucine
IAEA = International Atomic Energy Agency
IAQ = Indoor Air Quality
IASI = Infrared Atmospheric Sounding Interferometer
IB = Ion Balance
IC = Ice Crystals
IC = Imperial College
IC = Integrated Circuit
ICE = Initial, Change, Equilibrium
ICE = Internal Combustion Engine
ICECAP = Investigating the Crysopheric Evolution of the Central Antarctic Plate
ICESat-2 = Ice, Cloud, and land Elevation Satellite
ICP = Inductively Coupled Plasma
ICSC = International Chemical Safety Card
ICSD = Inorganic Crystal Structure Database
ICSU = International Council of Scientific Unions
ICU = Intensive Care Unit
IDC = Interplanetary Dust Cloud
IE = Inert Electrolyte
IE = Ionization Energy
IEA = International Energy Agency
IG = Inert Gas
iHOP = information Hyperlinked Over Proteins
IK = Inverse Kinematics
IMBR = Immersed Membrane BioReactor
IMF = InterMolecular Force
IMP = Institute of Material Physics
IMS = Industrial Methylated Spirit
In = Indium
InChI = International Chemical Identifier
INTEGRAL = International Gamma-ray Astrophysics Laboratory
INTEX-B = Intercontinental Chemical Transport Experiment Phase B
IOC = InOrganic Contaminant
IOCB = Institute of Chemistry and Biochemistry
IOCM = International Organic Chemistry Meeting
IPA = IsoPropyl Alcohol
IPN = Interplanetary Network
IPO = Integrated Program Office
IQ = Iron Quality
IR = Incident Report
IR = InfraRed
IR = Ionizing Radiation
Ir = Iridium
IRM = Interference Reflection Microscopy
IS = Interstellar
ISCCP = International Satellite Cloud Climatology Project
ISI = In-Situ Interfermometer
ISI = Initial State Interaction
ISM = Industrial, Scientific, or Medical
ISM = Interstellar Medium
ISS = International Space Station
IUPAC = International Union of Pure and Applied Chemistry
IXPE = Imaging X-ray Polarimetry Explorer
J = Joule
JAC = Journal of Analytical Chemistry
JASD = Joint Agency Satellite Division
JAW = Just Add Water
JAXA = Japan Aerospace Exploration Agency
JBC = Journal of Biological Chemistry
JCG = Journal of Crystal Growth
JCS = Journal of the Chemical Society
JCSDA = Joint Center for Satellite Data Assimilation
JEM-EF = Japanese Experiment Module-Exposed Facility
JEM-EUSO = Japanese Experiment Module-Extreme Universe Space Observatory
JEM = Japanese Experiment Module
JOC = Journal of Organic Chemistry
JPSS = Joint Polar Satellite System
k = Boltzmann constant
K = Kelvin
k = kilo
K = Potassium
Ka = Acid dissociation constant
Kd = Dissociation constant
KE = Kinetic Energy
Keq = Equilibrium constant
kg = kilogram
KGA = KetoGlutaric Acid
kHz = kilohertz
km = kilometer
KMT = Kinetic Molecular Theory
Kr = Krypton
KTM = Kinetic Thermal Mixing
kW = kilowatt
LASER = Light Amplification by Stimulated Emission of Radiation
LASP = Laboratory for Atmospheric and Space Physics
LAT = Large Area Telescope
LCD = Liquid Crystal Display
LCLU = Land Cover/Land Use
LCLUC = Land Cover/Land Use Change
LDCM = Landsat Data Continuity Mission
LED = Liquid Emitting Diode
LEP = Large Electron Positron Collider
LHC = Large Hadron Collider
LHCb = B-meson experiment at LHC
Li = Lithium
LIBS = Laser Induced Breakdown Spectroscopy
LIO = Low-Inclination Orbiter
LIP = Lightning Instrument Package
LiPo = Lithium Polymer battery
Liq = Liquid
LIS = Lightning Imaging Sensor
LIST = Lidar Surface Topography
LLD = Liquid Level Detection
LLE = Liquid-Liquid Equilibrium
LLNL = Lawrence Livermore National Laboratory
LMA = Lightning Mapping Array
LMA = Low Moisture Absorption
LME = Liquid Metal Embritlement
LMH = Liquid Hydrogen
LN = Liquid Nitrogen
ln = natural logarithm
LNG = Liquefied Natural Gas
LNG = Liquid Natural Gas
LO = Localized Orbitals
LOD = Loss On Drying
LOQ = Limit Of Quantification
LORAN = Long Range Navigation
LOX = Liquid Oxygen
LP = Liquid Petroleum
LP = Liquid Propane
LPA = Liquid Pressure Amplifier
LPG = Liquefied Petroleum Gas
LPG = Liquid Petroleum Gas
Lq = Liquid
Lqd = Liquid
Lr = Lawrencium
LSD = Lysergic Acid Diethylamide
LSE = Low Surface Energy
LST = Land Surface Temperature
LT = Less Than
Lt = light
LT = Low Temperature
LTE = Local Thermodynamic Equilibrium
LTG = Liquid To Gas
LTOEL = Long Term Occupational Exposure Limit
Lu = Lutetium
LUMO = Lowest Unoccupied Molecular Orbital
LV = Low Volatility
LVDS = Low Voltage Differential Signaling
LVS = Large Volume Sampler
LWC = Light Water Content
LWG = Liquid Water in Grams
M3/H = Cubic Meters per Hour
m = mass
M = Mega
m = meter
M = Methyl
m = milli
M = Molar
M = Molarity
M = Molecule
mA = milliampere
MAC = Mobile Analytical Chemical
MACPEX = Mid-latitude Airborne Cirrus Properties Experiment
MADG = Moisture Activated Dry Granulation
MaGIXS = Marshall Grazing Incidence X-ray Spectrography
MAM = Methyl Azoxy Methanol
MAP = Modeling, Analysis, and Prediction
MAPEX = Midlatitude Airborne Cirrus Properties Experiment
MASER = Microwave Amplification by Stimulated Emission of Radiation
mbar = millibar
MC3E = Midlatitude Continental and Convective Clouds Experiment
MC = MethylCellulose
MCA = Multi Channel Analyzer
MCL = Maximum Contaminant Level
MCR = MultiComponent Reaction
MCT = Medium Chain Triglyceride
MCT = MonoCarboxylate Transporter
Md = Mendelevium
MDA = MethyleneDiAniline
MDCM = Mechanistically Defined Chemical Mixtures
MDI = Methylene Diphenyl diIsocyanate
MDMA = MethyleneDioxy-MethylAmphetamine
MDQ = Minimum Daily Quantity
me = mass of an electron
ME = Materials Engineering
ME = MEthyl group
MEE = Minimum Explosive Energy
MEG = MonoEthylene Glycol
MEL = MethylEthylLead
MERRA = Modern Era Retrospective-Analysis for Research and Applications
MERRA = Modern-Era Analysis for Research and Applications
MES = MethylEthylSulfate
MeV = Million electronVolt
MF = Methyl Formate
MF = Micro Fiber
MFG = Molecular Frequency Generator
MFP = Maximum Freezing Point
MFP = Molecular Free Path
MFP = MonoFluoroPhosphate
Mg = Magnesium
mg = milligram
MGA = Moldular Gas Analyser
MH = Metal Halide
MH = Methyl Hydroxide
MHz = MegaHertz
MIBK = MethylIsoButylKetone
MIDAS = Molecular Interactions Dynamics And Simulations
MIG = Metal Inert Gas
MILAGRO = Megacity Initiative Local and Global Research Observations
MIN = MINimum
min = minutes
MIP = Minimum Ionizing Particle
MIT = Massachusetts Institute of Technology
MIT = MethylIsoThiazolinone
MKS = Meter-Kilogram-Second
MKSA = Meter-Kilogram-Second-Ampere
ml = milliliter
ML = Mono Layer
mm = millimeter
MM = Molar Mass
mmHg = millimeters of mercury
Mn = Manganese
MNT = Molecular NanoTechnology
MO = Molecular Orbital
Mo = Molybdenum
MOAH = Mineral Oil Aromatic Hydrocarbon
MODIS = Moderate Resolution Imaging Spectroradiometer
MOE = Mission Operations Element
MOH = Measurement of Hardness
mol = mole
MOL = molecule
MP = Melting Point
MP = Metal Particulate
MPD = 2-Methyl-2,4-PentaneDiol
MPD = m-PhenyleneDiamine
MPH = Miles Per Hour
MPS = Meters Per Second
MQW = Multi-Quantum-Well
Mr = Relative Molecular mass
MRT = Mean Radiant Temperature
MS = Mass Spectrometry
ms = millisecond
MSDS = Material Safety Data Sheet
MSG = Meteosat Second Generation
MSG = MonoSodium Glutamate
MSGC = Micro-Strip Gas Chamber
Mt = Meitnerium
MTBE = Methyl Tert-butyl Ether
MUX = Multiplexer
MVP = Mars Variable Pressure
MW = MegaWatt
mW = MilliWatt
MW = Molecular Weight
MWCNT = Multi-Walled Carbon NanoTube
MWCO = Molecular Weight CutOff
MWM = Molecular Weight Marker
n0 = neutron
n = nano
n = neutron emission
n = neutron
N = Newton
N = Nitrogen
NA = Avogadro constant
NA = Not Active
NA = Nucleic Acid
Na = Sodium
NAA = N-AcetylasPartate
NAA = Naphtalic Acetic Acid
NAC = Naphthenic Acid Corrosion
NAD+ = Nicotinamide Adenine Dinucleotide
NADH = Nicotinamide Adenine Dinucleotide Hydrogen
NADP = Nicotinamide Adenine Dinucleotide Phosphate
NAS = National Academy of Science
NASA = National Aeronautics and Space Administration
Nb = Niobium
NBC = Nuclear, Biological, Chemical
NBO = Natural Bond Orbital
NCAR = National Center for Atmospheric Research
NCE = New Chemical Entity
NCEL = New Chemical Exposure Limit
NCR = No Carbon Required
NCW = National Chemistry Week
Nd = Neodymium
NDVI = Normalized Difference Vegetation Index
Ne = Neon
NE = Non Equilibrium
NE = Nuclear Energy
NESDIS = National Environmental Satellite Data and Information Service
NEXRAD = National Weather Service Next Generation Radar
NG = Natural Gas
NHE = Normalized Hydrogen Electrode
Ni = Nickel
NIH = National Institutes of Health
NIM = Nuclear Instrumentation Module
NiMH = Nickel Metal Halide
NIST = National Institute of Standards and Technology
NLCD = National Land Cover Database
NLS = NASA Launch Services
nm = nanometer
NM = Non Metal
NMR = Nuclear Magnetic Resonance
NNK = Nicotine-derived Nitrosamine Ketone
No = Nobelium
NOAA = National Oceanic and Atmospheric Administration
NOMAD-STAR = Neutrino Oscillation Magnetic Detector Silicon Target
NORM = Naturally Occurring Radioactive Material
NOS = Nitric Oxide Synthase
NOS = Nitrous Oxide
Np = Neptunium
NPOESS = National Polar-orbiting Operational Environmental Satellite System
NPP = NPOESS Preparatory Project
NR = Not Recorded
NRC = National Research Council
NRZI = Non Return to Zero with Invert 1 on change
NS = Not Significant
NSSTC = National Space Science and Technology Center
NTC = Negative Temperature Coefficient
NU = Natural Uranium
NV = Non-Volatile
NVC = Non-Volatile Chemical
NVOC = Non-Volatile Organic Chemical
NWS = National Weather Service
O3 = Ozone
O = Oxygen
OA = Oleic Acid
OAA = OxaloAcetic Acid
OAc = Acetoxy functional group
OAM = Orbital Angular Momentum
OB = Oligosaccharide Binding
OC = Organic Carbon
OCO = Orbiting Carbon Observatory
OD = Optical Density
OD = Oxygen Demand
ODC = Optimal Deconvolution
ODC = Ornithine DeCarboxylase
OER = Oxygen Enhancement Ratio
OF = Oxygen Free
OFC = Oxygen Free Copper
OFHC = Oxygen Free High thermal Conductivity
OH = alcohol
OH = hydroxide
OH = hydroxyl functional group
OI = Oxygen Index
OIB = Operation IceBridge
OILRIG = Oxygen Is Losing, Reduction Is Gaining
OLI = Operational Land Imager
OM = Organic Matter
OMB = Office of Management and Budget
OMPS = Ozone Monitoring and Profiling Suite
ON = Oxidation Number
ONR = Office of Naval Research
OP = Organophosphate
OQS = Occupied Quantum State
OR = Oxidation-Reduction
ORNL = Oak Ridge National Laboratory
ORP = Oxidation-Reduction Potential
ORR = Oxidation-Reduction Reaction
Os = Osmium
OSC = Orbital Sciences Corporation
OSL = Optically Stimulated Luminescence
OSSE = Observing System Simulation Experiment
OSTM = Ocean Surface Topography Mission
OSTP = Office of Science and Technology Policy
OTA = OchraToxin A
OV = Organic Vapor
OVA = Organic Vapor Analyser
OVA = OVAlbumin
OWC = Oil-Water Contact
OX = Oxidation
OX = oxygen
OXA = OXanilic Acid
OXT = OXyTocin
OXY = Oxygen
P = Peta
P = Phosphorus
p = pico
P = Pressure
P = Proton
Pa = Pascal
PA = Phosphatidic Acid
Pa = Protactinium
PA = Proton Affinity
PAA = PolyAcrylic Acid
PABA = ParaAminoBenzoic Acid
PAC = Pharmaceutically Active Compound
PAC = Polycyclic Aromatic Content
PAC = Powdered Activated Carbon
PACE = Pre-Aerosol, Clouds, and ocean Ecosystem
PAEK = PolyArylEtherKetone
PAGE = PolyAcrylamide Gel Electrophoresis
PAH = Polycyclic Aromatic Hydrocarbon
PAI = PolyAmide Imide
PAO = PolyAlphaOlefin
PASA = PolyAmide, Semi-Aromatic
PATH = Precipitation and All-weather Temperature and Humidity
Pb = Lead
PB = PolyButylene
PBB = PolyBrominated Biphenyl
PBD = PolyButaDiene
PBI = PolyBenzImidazole
PBN = PolyButylene Naphthalate
PBS = Phosphate Buffered Saline
PBT = PolyButylene Teerephthalate
PC = Personal Computer
PC = PolyCarbonate
PC = Pyruvate Carboxylase
PCA = Pyrrolidone Carboxylic Acid
PCB = Printed Circuit Board
PCC = Pyridine Chloro Chromate
PCE = Tetrachloroethylene
PCI = Peripheral Component Interconnect
PCR = Polymerase Chain Reaction
PCV = Pressure Control Valve
Pd = Palladium
PD = Positive Displacement
PD = Potential Difference
PE = PhycoErythrin
PE = Polyethylene
PE = Potential Energy
PEA = PolyEster Amine
PEEK = PolyEtherEtherKetone
PEG = PolyEthylene Glycol
PEK = Poly Ether Ketone
PEL = Permissible Exposure Limit
PERC = Tetrachloroethylene
PES = PolyEtherSulfone
PET = PolyEthylene Teraphthalate
PETP = PolyEthyleneTerePhthalate
PEX = Cross-linked PolyEthylene
PFC = Perfluorocarbon
pg = picogram
PG = Propylene Glycol
PG = Prostaglandin
PGA = 3-PhosphoGlyceric Acid
PGA = PolyGlutamic Acid
PGE = Platinum Group Elements
PGM = Platinum Group Metals
PH = Phenol functional group
PHA = PolyHydroxyAlkanoate
PHB = PolyHydroxyButyrate
PHC = Petroleum HydroCarbon
PHMB = PolyHexaMethyleneBiguanide
PHT = PHThalate
PI = Phosphate Ion
PI = PolyImide
PIB = PolyIsoButylene
PLA = Polymerized Lactic Acid
PLC = PhosphoLipase-C
PLL = Phase-Locked Loop
PM10 = Particulates smaller than 10 nanometers
PM = Particulate Matter
PM = Photo Multiplier
PM = Photomultiplier
pm = picometer
PM = Plasma Membrane
PM = Powder Metallurgy
Pm = Promethium
PMA = PhosphoMolybdic Acid
PMA = PolyMethyl Acrylate
PMC = PCI Mezzanine Card
PMID = PubMed IDentifier
PMMA = PolyMethylMethAcrylate
PMO = PolyMethylene Oxide
PNPA = PolyNucleotide Phosphorylase A
PNPB = PolyNucleotide Phosphorylase B
Po = Polonium
POC = Point of Contact
POC = Polar Organic Contaminant
POL = Petroleum, Oils and Lubricants
POP = Persistent Organic Pollutant
PORC = Porcelain
PPA = PhenylPropanolAmine
PPA = PolyPhthalAmide
PPB = Parts Per Billion
PPM = Parts Per Million
PPO = PolyPhenylene Oxide
PPS = PolyPhenylene Sulfide
PPT = Parts Per Trillion
PPT = PolyPyrimidine Tract
PPT = Precipitate
Pr = Praesodymium
PREAM = Pollen Regional Atmospheric Model
PRV = Pressure Relief Valve
PSI = Paul Scherrer Institute
PSI = Pounds per Square Inch
PSV = Pressure Safety Valve
Pt = Platinum
PTFE = PolyTetraFluoroEthylene
Pu = Plutonium
PU = PolyUrethane
PUC = Pixel Unit Cell
PV = Parity Violation
PV = Pressure Volume
PVC = PolyVinyl Chloride
PVT = Pressure, Volume, Temperature
PXY = Para-XYlene
Q = Heat energy
QC = Quality Control
QCD = Quantum ChromoDynamics
QED = Quantum ElectroDynamics
QED = Quod Erat Demonstradum
QM = Quantum Mechanics
QS = Quantum State
QS = Quantum Sufficit
qt = quart
QuikSCAT = Quick Scatterometer
R&A = Research and Analysis
R&D = Research & Development
R&D = Research and Development
R = Ideal Gas Constant
R = Reactive
R = Redux
R = Resistance
R = Rydberg Constant
R = Röntgen unit
Ra = Radium
RA = Retonoic Acid
RACHEL = Remote Acess Chemical Hazards Electronic Library
rad = radian
rad = Radiation Absorbed Dose
Rad = Radioactive
RADAR = Radio Detection and Ranging
Rb = Rubidium
RBA = Rutherford Backscattering Analysis
RBD = Refined, Bleached and Deoderized
RCS = Reactive Chemical Species
RDA = Recommended Daily Allowance
RDT = Recombinant DNA Technology
RDX = cyclotrimethylenetrinitramine
RDX = Research Department Explosive
RE = Rare Earth
Re = Rhenium
REACH = Registration, Evaluation, Authorization and restriction of CHemical substances
REE = Rare Earth Element
Ref = Reference
REM = Rare Earth Metal
REQ = Required
RER = Respiratory Exchange Ratio
RF = Radio Frequency
RF = Resonance Frequency
Rf = Rutherfordium
RFIC = Reagent-Free Ion Chromatography
RFM = Relative Formula Mass
RG = Rare Gas
Rg = Roentgenium
RH = Relative Humidity
Rh = Rhodium
RH = Rydberg Constant for Hydrogen
RHE = Reversible Hydrogen Electrode
RHIC = Relativistic Heavy Ion Collider
RHS = Right Hand Side
RI = Radical Initiator
RIO = Red IronOxide
RL = Reaction Level
RMM = Relative Molar Mass
RMS = Root Mean Square
Rn = Radon
RNA = RiboNucleic Acid
RNS = Reactive Nitrogen Species
RO = Red Oxide
RO = Reverse Osmosis
ROHS = Restriction Of Hazardous Substances
ROS = Reactive Oxygen Species
ROSES = Research Opportunities in Space and Earth Science
ROWPU = Reverse Osmosis Water Purification Unit
RPC = Resistive Plate Chambers
RPM = Revolutions Per Minute
RPT = Repeat
RSC = Royal Society of Chemistry
RT = Reverse Transcriptase
RT = Room Temperature
RTM = Read The Manual
RTMM = Real Time Mission Monitor
RTP = Room Temperature and Pressure
RTSC = Room Temperature Super Conductor
Ru = Ruthenium
S-Z = Sunyaev-Zel'dovitch
S/H = Sample/Hold
S = Entropy
s = seconds
s = solid
s = spin quantum number
S = Sulfur
SA = Salicylic Acid
SA = Surface Area
SAC = S-Allyl Cysteine
SAC = Strong Acid Cation
SAGE = Stratospheric Aerosol and Gas Experiment
SAM = S-Adenosyl Methionine
SAM = Spin Angular Momentum
SAN = Styrene-AcryloNitrile
SAO = Smithsonian Astrophysical Observatory
SAP = Super Absorbant Polymer
SAQ = Soluable AnthraQunone
SAR = Synthetic Aperture Radar
SARS = Severe Acute Respiratory Syndrome
SAS = Small Angle Scattering
SATP = Standard Ambient Temperature and Pressure
Sb = Antimony
SB = Solvent Based
SBA = Strong Base Anion
SBC = Styrene Butadiene Copolymer
SBR = Sequncing Batch Reactor
SBS = Styrene Butadiene Styrene
Sc = Scandium
SC = Silicon Carbide
SCBA = Specific Chemical and Biologic Agents
SCC = Stress Corrosion Cracking
Sci = Science
SCLP = Snow and Cold Land Processes
SCN = Thiocyanate
SCO = Super Charged Oxygen
SCS = Single Crystal Silicon
SCU = SCoville Units
SCVF = Single Chamber Vacuum Furnace
SCW = Super Critical Water
SCX = Strong Cation eXchanger
SDMS = Scientific Data Management System
SDV = Shut Down Valve
SDW = Spin Density Wave
SE = Sample Error
Se = Selenium
SEAC4RS = Southeast Asia Composition, Cloud, Climate Coupling Regional Study
Sec = Seconds
SEDAC = Socioeconomic Data and Applications Center
SEGR = Single Event Gate Rupture
SEL = Single Event Latchup
SEM = Scanning Electron Microscope
SEP = Separate
SEU = Single Event Upset
SEU = Slightly Enriched Uranium
SF = Safety Factor
SF = Significant Figures
SFC = Supercritical Fluid Chromatography
SFMR = Stepped Frequency Microwave Radiometer
SFPM = Suspended Fine Particulate Matter
Sg = Seaborgium
SG = Specific Gravity
SG = Spheroidal Graphite
SGR = Soft Gamma Repeater
SH = Thiol functional group
SHC = Synthetic HydroCarbon
SHE = Standard Hydrogen Electrode
SHF = Super High Frequency
Si = Silicon
SIMPL = Slope Imagine Multi-polarization Photon-counting Lidar
SL = Sea Level
SL = Short Lived
SLI = Solid-Liquid Interface
SLP = Sea Level Pressure
SLR = Satellite Laser Ranging
Sm = Samarium
SM = Semi-Metal
SM = Standard Model
SMAP = Soil Moisture Active-Passive
SMAPVEX = Soil Moisture Active-Passive-Validation Experiment
SMD = Science Mission Directorate
SMILES = Simplified Molecular Input Line Entry System
SMS = Short Message Service
SN = Sodium Nitrate
Sn = Tin
SNAP = S-Nitroso-N-AcetylPenicillamine
SNP = Single-Nucleotide Polymorphism
SNR = Signal-to-Noise Ratio
SONAR = Sound Navigation and Ranging
SORCE = Solar Radiation and Climate Experiment
SP = Solubility Product
Sp = Special
SP = Starting Point
SPDF = atomic electron orbital names
SPICE = Simulation Program with Integrated Circuit Emphasis
SPIE = International Society for Optics and Photonics
SPORT = Scintillation Prediction Observations Research Task
SPoRT = Short-Term Prediction and Research Transition Center
SPS = Super Proton Synchrotron
SQ = squared
Sr = Strontium
SRAG = Space Radiation Analysis Group at Johnson Space Center
SRG = Spectrum-Rontgen-Gamma
SRPD = Science Research and Projects Division
SS = Solid Solution
SS = Stainless Steel
SSM/I = Special Sensor Microwave/Imager
SSP = Steady State Plasma
SST = Silicon Strip Tracker
STAR = Satellite for Telecommunication Applications and Research
STEL = Short Term Exposure Limit
STM = Scanning Tunneling Microscope
STP = Standard Temperature and Pressure
SUS = SUSpension
SUSY = Supersymmetry
SWEAP = Solar Wind Electrons, Alphas and Protons
SWOT = Surface Water and Ocean Topography
T = Period of a wave
T = Thymine
t = time
T = Tritium
Ta = Tantalum
TaC = Tantalum Carbide
TAC = Teiacetyl Cellulose
TAG = TriAcylGlyceride
tan = tangent
TAN = Total Acid Number
TAS = Total Alkali versus Silica
TAS = Total Analysis System
TAT = TriAcetone TriPeroxide
Tb = Terbium
TBA = TriBromoAnisole
TBA = TertButylArsine
TBC = TertButylCatechol
TBHQ = TertButylHydroQuinone
TBP = True Boiling Point
TBT = TriButylTin
TC-4 = Tropical Composition, Cloud and Climate Coupling
Tc = Critical Temperature
Tc = Technitium
TC = Temperature Compensated
TC = Temperature Controlled
TC = Theoretical Chemistry
TCA = TauroCholic Acid
TCA = TriChloroAcetic Acid
TCCON = Total Carbon Column Observing Network
TCE = TriChloroEthane
TCF = ThiolCarbon Fiber
TCM = TetraChloromethane
TCP = Thermal Conversion Process
TCP = Tocopherol
TCP = TriCalcium Phosphate
TCP = TriChloroPhenol
TCP = TriChloropropane
TCS = Toxic Chemical System
TCT = ToCoTrienol
TCV = Temperature Control Valve
TCVF = Two Chamber Vacuum Furnace
TD = Temperature Displacement
TD = Thermal Deposition
TDA = Thermal Dilatometric Analysis
TDC = Three Degrees Centigrade
TDG = ThymineDNA Glycosylase
TDI = Tolerable Daily Intake
TDI = Toluene DiIsonate
TDO = Tryptophan DiOxygenase
TDP = Thermal DePolymerization
TDP = Thiamine DiPhosphate
TDP = Thymidine DiPhosphate
Te = Tellurium
TEA = Terminal Electron Acceptor
TEC = Thermal Electrric Cooler
TEL = Tetra Ethyl Lead
TFM = Total Fatty Matter
TFT = Thin Film Transistor
Th = Thorium
THC = Tetra Hydra Cannabinol
THM = TriHaloMethanes
TI = Thermal Index
Ti = Titanium
TIC = Total Ion Current
TIM = Total Irradiance Monitor
TIMS = Thermal Ionization Mass Spectroscopy
TIP = Technology Investment Program
TIP = TrisIsopropyl Phenyl
TIRS = Thermal Infrared Sensors
Tl = Thallium
TLC = Thin Layer Chromatography
TLV = Toxic Level Value
Tm = Thulium
TM = Transition Metal
TMD = Theoretical Maximum Density
TMG = TriMethylGlycine
TMI = TRMM Microwave Imager
TMMA = TetraMethylMalonAmide
TMP = TriMethylPhosphate
TMS = TriMethylSilane
TNB = TriNitroBenzene
TNS = Test No Ether
TNT = Tri Nitro Toulene
TNT = TriNitroToluene
TOBSY = Total ThroughBond Correlation Spectroscopy
TOC = Total Organic Carbon
TOI = Table Of Isotopes
TON = Table Of Nuclides
TOPEX = Ocean Topography Experiment
TOX = Toxic
TP = Transition Point
TP = Triple Point
TPE = ThermoPlastic Elastomer
TPM = Total Particulate Matter
TR = Table Row
TRAP = Tartrate Resistent Acid Phosphatase
TRFM = Time Resolved Fluorescence Microscopy
TRMM = Tropical Rainfall Measuring Mission
TRP = Tryptophan
TS = Temperature Sensitive
TSCB = TriSilaCycloButane
TSI = Total Solar Irradiance
TSIS = Total Solar Irradiance Sensor
TSP = Thermally Stable Polycrystalline
TSP = TriSodium Phosphate
TSPM = Total Suspended Particulate Matter
TSS = Total Soluble Solids
TST = Transitional State Theory
TT = Test Tube
TTC = Timing, Trigger and Control
TTC = Triphenyl Tetrazolium Chloride
TTFD = Thiamine TetraHydroFurfurylDisulfide
TTLC = Total Threshold Limit Concentration
TTO = Total Toxic Organics
TTP = Thymine TriPhosphate
TTX = Tetrodoxin
TU = Thermally Unbound
TWMC = Time Weighted Mean Concentration
TWV = Total Water Vapor
U = Internal Energy
U = Undetectable
U = Uranium
UAB = University of Alabama in Birmingham
UAFM = Uranyl Acetate Fluorescence Method
UAH = University of Alabama in Huntsville
UAS = Unmanned Aerial System
UAS = Unmanned Aircraft System
UAV = Uninhabited Aerial Vehicle
UAVSAR = Uninhabited Aerial Vehicle Synthetic Aperture Radar
UCK = Universal Chemical Key
UG = Undisturbed Gas
UHC = Unburned HydroCarbons
UHF = Ultra High Frequency
UHI = Urban Heat Island
UHMW = Ultra High Molecular Weight
UHP = Ultra High Pressure
UHP = Ultra High Purity
UHT = Ultra High Temperature
UHV = Ultra High Vacuum
ULA = United Launch Alliance
ULG = Universal Liquid Gas
ULO = Ultra Low Oxygen
ULOQ = Upper Limit Of Quantitation
ULS = Ultra Low Sulfur
ULT = Ultra Low Temperature
UNK = UNKnown
UPW = Ultra Pure Water
UQY = Ultimate Quality and Yield
USAID = U.S. Agency for international Development
USGEO = U.S. Group on Earth Observations
USGS = U.S. Geological Survey
USRA = Universities Space Research Association
UTSI = University of Tennessee Space Institute
UUH = UnUnHexium
UUO = UnUnOctium
UUP = UnUnPentium
UUQ = UnUnQuadium
UUS = UnUnSeptium
UV-A = UltravViolet band A
UV-B = UltraViolet band B
UV = UltraViolet
UVA = UltraViolet band A
UVB = UltraViolet band B
UVF = UtraViolet Filter
UVL = UltraViolet Lamp
UVR = UltraViolet Reactive
UXS = Glucuronic Acid DeCarboxylase
UYQ = Uranium Yield Quantity
V = Vacuum
V = Vanadium
V = Volt
VA = Volume Analyzer
VAC = Vacuum Assisted Closure
VAC = Vacuum
VB = Vacuum Break
VB = Valence Band
VBJ = Vacuum Bell Jar
VBT = Valence Bond Theory
VC = Vapor Cloud
VC = Vinyl Chloride
VC = Viscous Coupled
VCE = Vapor Cloud Explosion
VCM = Vinyl Chloride Monomer
VCO = Voltage Controlled Oscillator
VCSI = Von Braun Center for Science and Innovation
Vd = Volume distribution
VDB = VanDyke Brown test
VDF = Van der Waals force
VDW = Van der Waals radius
VEQ = EQuilibrium Volume
VEQ = EQuivalence point Volume
VFn = Vertical Face number
VFT = Very Forward Tracker
VH = Vapor Hazard
VHH = Volatile Halogenated Hydrocarbon
VHI = Vapor Hazard Index
VHN = Vickers Hardness Number
VHP = Vaporized Hydrogen Peroxide
VHP = Very High Pressure
VHT = Very High Temperature
VHY = Very High Yield
VI = Viscosity Index
VIRS = Visible and Infrared Scanner
VLBI = Very Long Baseline Interferometry
VLD = Vacuum Leak Detector
VLE = Vapor Liquid Equilibrium
VMD = Visual Molecular Dynamics
VME = Versa Module Eurocard
VO = Vacuum Oven
VOA = Volatile Organic Analysis
VOC = Volatile Organic Compound
VOL = Volume
VP = Vapor Point
VP = Vapor Pressure
VPE = Virtual Potential Energy
VR = Very Rapid
VS = Very Saturated
VS = Volatile Solid
VSC = Volatile Sulfur Compound
VSS = Volatile Suspended Solid
VTC = Variable Temperature Cutoff
VTP = Volume, Temperature, Pressure
VU = Volume Units
VUV = Vacuum Ultraviolet
VV = Vacuum Vessel
VV = Valence-Valence
W = Tungsten
W = Watt
WA = Weak Acid
WAC = Weak Acid Cation
WB = Water Based
WB = Weak Base
WB = Weak Bond
WBA = Weak Base Anion
WC = Water Cosolvent
WCS = Worst Case Scenario
WD = Water Dispersant
WD = Water Displacement
WD = Wet/Dry
WFO = Weather Forecast Office
WIAP = Water In All Phases
WIN = Water Insoluble Nitrogen
WNA = World Nuclear Association
WO = Weak Oxidizer
WP = White Phosphorus
WPS = Water Phase Salt
WR = Water Repellent
WRF = Weather Research and Forecast
WS = Wash Solution
WS = Water Soluble
WSNZ = Water Soluble Zinc
WSPI = Water-Soluble Phosphorous, Inorganic
WSPO = Water-Soluble Phosphorous, Organic
WSS = Water Soluble Stabilizer
WST = Weighted Settling Time
WV = Water Vapor
WVDA = Water Vapor Diffusion Analysis
WVM = Water Vapor Monitor
WVN = Water Vapor Nitrogen
WVP = Water Vapor Permeability
WVT = Water Vapor Transport
WW = Waste Water
WWIX = Waste Water Ion eXchange
WYOL = Write Your Own Lab
WYOLA = Write Your Own Lab Assignment
XAG = Silver Troy Ounce
XAN = XANthine
XAU = Gold Troy Ounce
XDB = eXtra Dense Bonding
Xe = Xenon
XLS = Xenon Light Source
XOD = Xanthine Oxidase
XOVWM = Extended Ocean Vector Winds Mission
XPD = Palladium Troy Ounce
XPT = Platinum Troy Ounce
XRCF = X-ray and Cryogenics Facility
XUM = X-ray Ultra-Microscope
XYD = XYliDine
y = yocto
Y = Yotta
Y = Yttrium
YAG = Yttrium Aluminum Garnet
YAP = Yield Analysis Pattern
Yb = Ytterbium
YBCO = Yttrium Barium Copper Oxide
YBG = Your Best Guess
YCC = Younger Chemists Committee
Yd = Yard
YIC = Yttrium Lithium Fluoride
YZN = Yellow ZiNc dichromate
z = zepto
Z = Zetta
ZB = Zinc Blende
ZC = Zinc Composite
ZCG = Zeolite Crystal Growth
ZCR = Zinc Chromium
ZCS = Zinc Coated Steel
ZDC = Zero Degrees Kelvin
ZEKE = Zero Electron Kinetic Energy
ZINC = Zinc Is Not Copper
ZK = Zero Kelvin
Zn = Zinc
ZP = Zero Pressure
Zr = Zirconium
ZRE = Zinc Responsive Element