Chemistry Abbreviations Starting with the Letter A

Abbreviations and Acronyms Used in Chemistry

A common chemistry abbreviation for atom is A.
A common chemistry abbreviation for atom is A. Paper Boat Creative/Getty Images

Chemistry abbreviations and acronyms are common in all fields of science. This collection offers common abbreviations and acronyms beginning with the letter A used in chemistry and chemical engineering.

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
ABC - Atomic, Biological, Chemical
ABCC - Advanced Biomedical Computing Center
ABCC - American Board of Clinical Chemistry
ABS - Acrylonitrile Butadiene Styrene
ABS - Absorb
ABV - Alcohol By Volume
ABW - Alcohol By Weight
Ac - Actinium
AC - Aromatic Carbon
ACC - American Chemical Council
ACE - Acetate
ACS - American Chemical Society
ADP - Adenosine DiPhosphate
AE - Activation Energy
AE - Atomic Emission
AE - Acid Equivalent
AFS - Atomic Fluorescence Spectroscopy
Ag - Silver
AH - Aryl Hydrocarbon
AHA - Alpha Hydroxy Acid
Al - Aluminum
ALDH - ALdehyde DeHydrogenase
Am - Americium
AM - Atomic Mass
AMP - Adenosine MonoPhosphate
AMU - Atomic Mass Unit
AN - Ammonium Nitrate
ANSI - American National Standards Institute
AO - Aqueous Oxygen
AO - Aldehyde Oxidase
API - Aromatic PolyImide
AR - Analytical Reagent
Ar - Argon
As - Arsenic
AS - Ammonium Sulfate
ASA - AcetylSalicylic Acid
ASP - ASParate
AT - Adenine and Thymine
AT - Alkaline Transition
At - Astatine
AT NO - Atomic Number
ATP - Adenosine TriPhosphate
ATP - Ambient Temperature Pressure
Au - Gold
AW - Atomic Weight