| Acronym | Meaning |
| CHA | Chemical Hamiltonian Approach |
| VERA | Vienna Environmental Research Accelerator |
| ARM | Agricultural Runoff Model |
| PLM | Polarized-light Microscopy |
| ICTP | Telopeptide Of Type-I Collagen |
| BCGA | British Compressed Gases Association |
| MVFF | Modified Valence Force Field |
| COHMED | Cooperative Hazardous Materials Enforcement Development Program |
| KAM | Kolmogorov-Arnold-Moser (theorem In Quantum Stochasticity) |
| WSIA | Water Supply Improvement Association |