| Abbreviation | Definition |
|---|---|
| ACFC | Agro Chemical and Food Company |
| ACG | Atom Connectivity Graph |
| ACGIA | American Capital Group I Assets |
| ACGS | Association of Chemistry Graduate Students |
| ACID | Atomicity, Consistency, Isolation, Durability |
| ACIDIT | Acid – It |
| ACIF | Analytical Chemistry Instrumentation Facility |
| ACL | ACyl-homoserine Lactone |
| ACLAB | Asian Conference on Lactic Acid Bacteria |
| ACM | Aluminium Composite Material |
| ACM | Anormal Chemical Material |
| ACM | Astrocyte-Conditioned Medium |
| ACMG | Atmospheric Chemistry Modeling Group |
| ACMSD | Aminocarboxymuconate Semialdehyde Decarboxylase |
| ACN | Acetonitrile |
| ACN | Acrylonitrile |
| ACP | Atmospheric Chemistry and Physics |
| ACPC | 1- AminoCycloPropaneCarboxylic acid |
| ACPC | Arab Center for Pharmaceutical and Chemical |
| ACPO | Association of the Chemical Profession of Ontario |