| Acronym | Meaning |
| ATD | Alzheimer Type Dementia |
| MET | Multichannel Eikonal Theory (in Atom Electron-impact Excitation) |
| RACS | Response Action Contractors |
| MIPAS | Michelson Interferometer For Passive Atmospheric Sounding |
| HERV | Human Endogenous Retrovirus |
| WHMIS | Workplace Hazardous Materials Information System (Canada) |
| TFA | Thin Film On ASIC |
| LASCR | Light-activated Silicon Controlled Rectifier |
| ASA | American Society Of Agronomy |
| HWRTF | Hazardous Waste Restrictions Task Force |