| Acronym | Meaning |
| CSI | See Entry |
| SUN | Sundanese Language (ISO 639-2 Code) |
| SLA | Service Level Agreement - Symbionese Liberation Army |
| BQ | British Antarctic Territory (ISO 3166 Digram; Merged With AQ In 1979) - Navassa Island (FIPS 10-4 Territory Code) |
| R&D | Research & Development |
| DJF | Djibouti Franc (ISO 4217 Currency Code) |
| LONEOS | Lowell Observatory Near-Earth-Object Search |
| DOHC | Dual-OverHead-Cam Engine |
| ADV. | Adversus (Latin |
| MCIS | Mellon Collie And The Infinite Sadness |