| Acronym | Meaning |
| AIM | Adiabatic Invariance Method (in Ion-mol. Reactions) |
| HDVV | Heisenberg-Dirac-Van Vleck (Hamiltonian Or Exchange Parameter) |
| EMAT | Effluent Microtox Acute Toxicity |
| AISIT | Automatic Intelligent Sampler For Inorganic Trace Constituents |
| MCS | Media Cleanup Standard |
| JWF | Jastrow Wave Function |
| AVA | Anthrax Vaccine Adsorbed |
| BOCV | Biorthogonality Constrained Variation Method |
| LCI-SCSCFMO | Limited Configuration Interaction Single-configuration SCF MO |
| GPEF | Generalized Potential Energy Function |