| Acronym | Meaning |
| ITC | InferoTemporal Cortex (neurophysiology) |
| VSAT | Very Small Aperture Terminal (vee-satt) |
| TTL | Time 'till Live - Time To Live - Transistor-transistor Logic |
| HZ | Herero Language (ISO 639-1 Code) |
| AH | Attohenry |
| WSC | Weapon System Catalogue |
| NOC | UK. National Oceanography Centre |
| UY | Uruguay (ISO 3166 And FIPS 10-4 Country Code Digram) |
| PPASC | (U.S.) Plans And Program Analysis Support Center |
| OLS | Operational Linescan System |