| Acronym | Meaning |
| IEM | Independent Electron Model (for Ionization In Ion-atom Collisions) |
| HFPD | Hartree-Fock With Proper Dissociation (wave Function) |
| AFV | Alternatively Fueled Vehicle |
| DC | Blood-air Distribution Coefficient |
| MASP-HMO | Mutual Additive Substituent Parameter-Hueckel Molecular Orbital |
| MCS | Multiple Cloning Site |
| CLS | Core Level Spectroscopy |
| APT | Accelerator Production Of Tritium |
| JCPDS | Joint Committee On Powder Diffraction Standards |
| SHIV | Simian-human Immunodeficiency Virus |