| Acronym | Meaning |
| IRSL | IR Stimulated Luminescence |
| GAGP | Generalized Antisymmetrized Geminal Power (wave Function) |
| RTD | Resonant Tunneling Diode |
| CC | Close Coupling Method (for Atom-molecule Collisions) |
| DHFR | Dihydrofolate Reductase |
| TKN | Total Kjeldahl Nitrogen |
| SHIV | Simian-human Immunodeficiency Virus |
| COADS | Comprehensive Ocean-Atmosphere Data Set |
| NND | New And Nonofficial Drugs |
| PHA | Process Hazard Analysis |