| Acronym | Meaning |
| PDQ | Physician Data Query |
| MOSIGT | Metal-oxide Semiconductor Insulated Gate Transistor |
| FONSI | Finding Of No Significant Impact |
| UNSCEAR | United Nations Scientific Committee On The Effects Of Atomic Radiation |
| ID | Inhibitory Dose |
| MAOI | Monoamine Oxidase Inhibitor |
| CEPP | Chemical Emergency Preparedness Plan |
| BPH | Benign Prostatic Hyperplasia |
| HAZW | Hazardous Waste Collection Database (accessible Through OLS) |
| HECD | Hot Electron Capture Dissociation |