| Acronym | Meaning |
| CAA | Canadian Automobile Association - (NORAD) Center For Aerospace Analysis - (U.S.) Center For Army Analysis - (U.S.) Clean Air Act - (U.S. Army) Concepts Analysis Agency - Civil Aviation Authority - Colonial Athletic Association |
| IAF | Industrial Areas Foundation |
| ADI | Acceptable/Allowable Daily Intake |
| EZLN | Ej?rcito Zapatista De Liberaci›n Nacional (Spanish |
| Q1 | First Quarter |
| YM | Yemen (FIPS 10-4 Country Code) -Your Magazine (originally Young Miss |
| HLS | Hoc Loco Situs (Latin |
| SMASS | Small Main-Belt Asteroid Spectroscopic Survey |
| PTUI | Plain-Text User Interface (pa-too-ey) (cf CLI) |
| BGR | Bulgaria (ISO 3166 Trigram) |