Chemistry Abbreviations Starting with the Letter A

A common chemistry abbreviation for atom is A.
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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.

Chemistry Abbreviations: A

  • 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
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Your Citation
Helmenstine, Anne Marie, Ph.D. "Chemistry Abbreviations Starting with the Letter A." ThoughtCo, Aug. 25, 2020, Helmenstine, Anne Marie, Ph.D. (2020, August 25). Chemistry Abbreviations Starting with the Letter A. Retrieved from Helmenstine, Anne Marie, Ph.D. "Chemistry Abbreviations Starting with the Letter A." ThoughtCo. (accessed June 5, 2023).