Listing A: Terms to Abbreviations | Listing B: Abbreviations to Terms

Listing A: Terms to Abbreviations

Standard Abbreviations, Acronyms, Special Characters, and Symbols in CAS Computer-Readable Files and Publications. Chemical Abstracts Service, 1993. Reproduced for educational purposes with permission from CAS, a Division of the American Chemical Society.

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

A

Full Term: Abbreviation
absolute: abs.
abstract: abstr.
#addition: addn.
additional(ly): addnl.
adenosine 5'-diphosphate: ADP
adenosine 5'-monophosphate: AMP
adenosine triphosphatase: ATPase
adenosine 5'-triphosphate: ATP
adrenocorticotropin: ACTH
#alcohol(ic): alc.
#aliphatic: aliph.
alkaline: alk.
alkalinity*: alky.
all valence electron: AVE
alternating current: a.c.
amount: amt.
ampere (unit): A
#analysis*: anal.
#analytical(ly): anal.
angstrom unit: Å**
anhydrous: anhyd.
apparatus: app.
approximate(ly): approx.
approximation: approxn.
#aqueous: aq.
#aromatic: arom.
associate: assoc.
associated: assocd.
associating: assocg.
#association: assocn.
asymmetric(al)(ly): asym.
atmosphere (unit): atm
atmospheric: atm.
#atomic: at.
atomic mass unit: amu
atomic orbital: AO
augmented plane wave: APW
average: av.

B

Full Term: Abbreviation
Bardeen-Cooper-Schrieffer: BCS
barrel (unit): bbl
becquerel (unit): Bq
billion electron volts (unit): GeV
biochemical oxygen demand: BOD
body centered cubic: bcc.
Bohr magneton (unit): mB**
boiling point: b.p.
British thermal unit: Btu
bushel (unit): bu
butyl (normal): Bu

C

Full Term: Abbreviation
#calculate: calc.
#calculated: calcd.
#calculating: calcg.
#calculation: calcn.
calorie (unit): cal.
carboxymethyl cellulose: CM-cellulose
#chemical(ly): chem.
chemical oxygen demand: COD
chemically pure: CP
#chemistry: chem.
circular dichroism: CD
#clinical(ly): clin.
coefficient: coeff.
#coenzyme A: CoA
coherent potential approximation: CPA
commercial(ly): com.
complete neglect of differential overlap: CNDO
composition: compn.
compound: compd.
concanavalin A: ConA
#concentrate: conc.
#concentrated: concd.
#concentrating: concg.
#concentration: concn.
#conductivity*: cond.
configuration interaction: CI
constant: const.
containing: contg.
corrected: cor.
coulomb (unit): C
coupled electron pair approximation: CEPA
#critical: crit.
#crystalline: cryst.
#crystallization: crystn.
#crystallized: crystd.
#crystallizing: crystg.
cubic feet per minute (unit): cfm
curie (unit): Ci
current density: c.d.
cyclic AMP: cAMP
cyclic GMP: cGMP
cytidine 5'-diphosphate: CDP
cytidine 5'-monophosphate: CMP
cytidine 5'-triphosphate: CTP

D

Full Term: Abbreviation
debye unit: D
decompose: decomp.
decomposed: decompd.
decomposing: decompg.
#decomposition: decompn.
#degradation: degrdn.
degree Celsius centigrade (unit): °C**
degree Fahrenheit (unit): °F**
degree Kelvin: K
degree of polymerization: d.p.
density: d.
deoxyribonuclease: DNase
deoxyribonucleic acid: DNA
derivative: deriv.
#determination: detn.
determine: det.
#determined: detd.
determining: detg.
diameter: diam.
diatomics-in-molecules: DIM
diethylaminoethyl cellulose: DEAE-cellulose
differential thermal analysis: DTA
dilute: dil.
diluted: dild.
diluting: dilg.
dilution: diln.
dimethylformamide: DMF
dimethyl sulfoxide: DMSO
diphosphopyridine nucleotide: NAD
direct current: d.c.
disintegrations per minute (unit): dpm
dissociate: dissoc.
dissociated: dissocd.
dissociating: dissocg.
#dissociation: dissocn.
#distillation: distn.
#distilled: distd.
#distilling: distg.

E

Full Term: Abbreviation
effective dose: ED
#electric(al)(ly): elec.
electrocardiogram: ECG
electroencephalogram: EEG
electromagnetic unit: emu
electromotive force: emf.
electron paramagnetic resonance: ESR (This must be a typo in the original)
electron spin resonance: ESR
electron volt (unit): eV
electrostatic unit: esu
enzyme-linked immunosorbent assay: ELISA
#equilibrium(s): equil.
equivalent (unit): equiv
#equivalent: equiv.
especially: esp.
estimate: est.
estimated: estd.
estimating: estg.
estimation: estn.
ethyl: Et
ethylenediaminetetraacetic acid: EDTA
evaporate: evap.
evaporated: evapd.
evaporating: evapg.
evaporation: evapn.
#examination: examn.
#examined: examd.
#examining: examg.
experiment: expt.
experimental(ly): exptl.
extended Hueckel molecular orbital: EHMO
extract: ext.
extracted: extd.
extracting: extg.
#extraction: extn.

F

Full Term: Abbreviation
face centered cubic: fcc.
farad (unit): F
fermentation: fermn.
flavin adenine dinucleotide: FAD
flavin mononucleotide: FMN
floating spherical Gaussian orbital: FSGO
foot (unit): ft
foot-pound (unit): ft-lb
follicle-stimulating hormone: FSH
freezing point: f.p.

G

Full Term: Abbreviation
gallon (unit): gal
gauss (unit): G
Gaussian-type orbital: GTO
gram (unit): g
gravitational constant: g
gray (absorbed radiation dose) (unit): Gy
guanosine 5'-diphosphate: GDP
guanosine 5'-monophosphate: GMP
guanosine 5'-triphosphate: GTP

H

Full Term: Abbreviation
hectare: ha
henry: H
#hemoglobin: Hb
hertz (cycles/sec) (unit): Hz
hexagonal close-packed: hcp
highest occupied molecular orbital: HOMO
hour (unit): h
Hueckel molecular orbital: HMO
hundredweight (unit): cwt
hydrogenic atoms in molecules: HAM

I

Full Term: Abbreviation
immunoglobulin: Ig
inch (unit): in.
independent electron pair approximation: IEPA
infrared: IR
inhibitory dose: ID
inosine 5'-diphosphate: IDP
inosine 5'-monophosphate: IMP
inosine 5'-triphosphate: ITP
intermediate neglect of differential overlap: INDO
international unit: IU
interstitial cell-stimulating hormone: ICSH
intramuscular(ly): i.m.
intraperitoneal(ly): i.p.
intravenous(ly): i.v.
#irradiation: irradn.
iterative extended Hueckel molecular orbital: IEHMO

J

Full Term: Abbreviation
joule (unit): J

K

Full Term: Abbreviation
kelvin (unit): K

L

Full Term: Abbreviation
laboratory: lab.
lethal dose: LD
linear combination of atomic orbitals: LCAO
linear combination of fragment configuration: LCFC
liquid: liq.
liter (unit): L
low energy electron diffraction: LEED
lowest unoccupied molecular orbital: LUMO
lumen (unit): lm
luteinizing hormone: LH
lux (unit): lx

M

Full Term: Abbreviation
magnetohydrodynamics: MHD
manufacture: manuf.
manufactured: manufd.
manufacturing: manufg.
mathematical(ly): math.
maximum(s): max.
maxwell (unit): Mx
#mechanical(ly): mech.
melanocyte-stimulating hormone: MSH
melting at: m.
melting point: m.p.
melts at: m.
messenger RNA: mRNA
metabolism: metab.
meter (unit): m
methyl: Me
mile (unit): mi
miles per hour (unit): mph
minimum(s): min.
minute (unit): min
miscellaneous: misc.
#mixture: mixt.
modified neglect of diatomic overlap: MNDO
molal (unit): m
molar (unit): M
mole (unit): mol
#molecular: mol.
molecular orbital: MO
#molecule: mol.
molecules-in-molecules: MIM
month (unit): mo
multiconfigurational self-consistent field: MC-SCF

N

Full Term: Abbreviation
negative(ly): neg.
neglect of diatomic differential overlap: NDDO
neglect of nonbonded differential overlap: NNDO
nicotinamide adenine dinucleotide: NAD
nicotinamide adenine dinucleotide phosphate: NADP
nicotinamide mononucleotide: NMN
nuclear magnetic resonance: NMR
nuclear quadrupole resonance: NQR
number: no.

O

Full Term: Abbreviation
observed: obsd.
oersted (unit): Oe
ohm (unit): O**
optical rotatory dispersion: ORD
#organic: org.
ounce (unit): oz
#oxidation: oxidn.

P

Full Term: Abbreviation
Pariser-Parr-Pople: PPP
partial neglect of differential overlap: PNDO
parts per billion (unit): ppb
parts per million (unit): ppm
pascal (unit): Pa
perturbational molecular orbital: PMO
phenyl: Ph
#physical(ly): phys.
pint (unit): pt
poise (unit): P
#polymerization: polymn.
#polymerized: polymd.
#polymerizing: polymg.
#positive(ly): pos.
potential difference: p.d.
pound (unit): lb
pounds per square inch (unit): psi
pounds per square inch absolute (unit): psia
pounds per square inch gage (unit): psig
#powdered: powd.
#precipitate: ppt.
#precipitated: pptd.
#precipitating: pptg.
#precipitation: pptn.
preparation: prepn.
prepare: prep.
prepared: prepd.
preparing: prepg.
#production: prodn.
propyl (normal): Pr
#purification: purifn.

Q

Full Term: Abbreviation
qualitative(ly): qual.
#quantitative(ly): quant.
quart (unit): qt

R

Full Term: Abbreviation
radioimmunoassay: RIA
random phase approximation: RPA
#reduction: redn.
reference: ref.
reflection high energy: RHEED
reproduction: reprodn.
resolution: resoln.
#respective(ly): resp.
respiratory quotient: RQ
restricted Hartree-Fock: RHF
revolutions per minute (unit): rpm
ribonuclease: RNase
ribonucleic acid: RNA
ribosomal RNA: rRNA
roentgen (unit): R
roentgen equivalent man (unit): rem
roentgen equivalent physical (unit): rep

S

Full Term: Abbreviation
saponification: sapon.
saponified: sapond.
saponifying: sapong.
saturate: sat.
#saturated: satd.
saturated calomel electrode: SCE
saturating: satg.
#saturation: satn.
scanning electron microscopy: SEM
second (unit): s
self-consistent field: SCF
separate(ly): sep.
separated: sepd.
separating: sepg.
separation: sepn.
siemens (unit): S
Slater-type orbital: STO
#solubility*: soly.
#soluble: sol.
#solution: soln.
specific gravity: sp. gr.
specific volume: sp. vol.
specific weight: sp. wt.
standard: std.
steradian (unit): sr
stokes (unit): St
subcutaneous(ly): s.c.
#symmetric(al)(ly): sym.

T

Full Term: Abbreviation
tablespoon (unit): tbs
teaspoon (unit): tsp
#technical(ly): tech.
temperature: temp.
tesla (unit): T
tetrahydrofuran: THF
theoretical(ly): theor.
thermodynamic(s): thermodn.
thyroid-stimulating: TSH
titration: titrn.
transfer RNA: tRNA
triethylaminoethyl cellulose: TEAE-cellulose
triphosphopyridine nucleotide: NADP

U

Full Term: Abbreviation
ultraviolet: UV
United States Pharmacopeia: USP
unrestricted Hartree-Fock: UHF
uridine 5'-diphosphate: UDP
uridine 5'-monophosphate: UMP
uridine 5'-triphosphate: UTS
UV photoelectron spectroscopy: UPS

V

Full Term: Abbreviation
volt (unit): V
volume: vol.

W

Full Term: Abbreviation
watt (unit): W
weber (unit): Wb
week (unit): wk
weight: wt.

X

Full Term: Abbreviation
x-ray photoelectron spectroscopy: XPS

Y

Full Term: Abbreviation
yard (unit): yd
year (unit): yr

Z

Full Term: Abbreviation
zero differential overlap: ZDO

(*) Terms whose plurals are not automatically abbreviated by adding “s.”

(**) For representation in computer-readable files see List of Characters and Symbols in Computer-Readable Files.

(#) If prefixed, these words are generally abbreviated. For examples, see the list of Abbreviations for some common prefixed terms which follows Listing A.

From CAS Standard Abbreviations and Acronyms.