| Abbreviation | Definition |
|---|---|
| AGB | Asymptotic Giant Branch |
| AgCl | Silver chloride |
| AGDP | Agar Gel Diffusion Precipitation |
| AGE | Advanced Glycation End |
| AGE | Advanced Glycosylated End products |
| AGO | Atmospheric Gas Oil |
| AGR | Acid Gas Removal |
| AGROCHEMIST | Agrochemistry |
| AGRP | Acid Gas Removal Project |
| AGRU | Acid Gas Removal Unit |
| AGTP | Acid Guanidinium Thiocyanate Phenol |
| AH | Aryl Hydrocarbon |
| AHA | Alpha Hydroxy Acid |
| AHA | Alpha Hydroxyl Acid |
| AHAH | Aloe Hyaluronic Acid Hibiscus |
| AHAPTMS | N-9(6-aminohexyl)-3-aminopropyltrimethoxy |
| AHD | Argon High Density |
| AHF | Anhydrous Hydrogen Fluoride |
| AIA | Acid Insoluble Ash |
| AIAMC | Anti Infective Agents in Medicinal Chemistry |