| Acronym | Meaning |
| CAIR | Council On American-Islamic Relations |
| CFR | Code Of Federal Regulations |
| POW | Prisoner Of War |
| CAT | Catalan Language (ISO 639-2 Code) |
| ROM | Read-Only Memory - Refuel On The Move - Royal Ontario Museum |
| NIST | National Institute Of Standards And Technology |
| EOSDIS | Earth Observation Satellite Data And Information System |
| AGU | American Geophysical Union |
| IMA | Intermediate Maintenance Activity |
| GULCR | Grupo De Usuarios De Linux De Costa Rica |