| Abbreviation | Definition |
|---|---|
| CAF | Compressed Asbestos Fiber |
| CAF | Crude Aqueous Filtrate |
| CAFU | Chemical Air Filtration Unit |
| CAH | Calcium hardness |
| CAIA | Chemical and Allied Industries Association |
| CAIA | Chemical and Allied Industries' Association |
| CAIS | Chemical Agent Identification Set |
| CAM | Crassulacean Acid Metabolism |
| CAMELSPIN | Cross-Relaxation Appropriate for Minimolecules Emulated by Locked Spins |
| CANA | Chemical Agent Nerve Antidote |
| CaP | Calcium Phosphate |
| CAPE | Caffeic Acid PhenethylEster |
| CAPE | Connective Available Potential Energy |
| CAPE | Convective Available Potential Energy |
| CAPOW | Chemistry |
| CAPP | Chemical Accident Prevention Program |
| CAR | Canonical Anticommutation Relations |
| CARAT | Chemical Accident Risk Assessment Thesaurus |
| CARC | Chemical Agent Resistant Coating |
| CARC | Chemical Agent Resistant Coatings |