| Acronym | Meaning |
| MILSET | Mouvement International Pour Le Loisir Scientifique Et Technique (French |
| RISD | Rhode Island School Of Design (riz-dee) |
| COTS | Commercial Off The Shelf |
| USDRE | (U.S.) Under-Secretary Of Defense For Research And Engineering (1978?1986) |
| PGP | Pretty Good Privacy |
| ENVL | Envelope |
| IAQ | Indoor Air Quality - Infrequently Asked Questions |
| EDCS | Environmental Data Coding Specification |
| DNDI | Drugs For Neglected Diseases Initiative |
| HIH | His (or Her) Imperial Highness |