| Acronym | Meaning |
| FACTS | Flexible Alternating Current Transmission System |
| AUS | Australia (ISO 3166 Trigram) |
| SR | Sound Reinforcement - Supply Route -Suriname (ISO 3166 Digram) -Sveriges Radio (Swedish Radio Ltd) |
| JOD | Jordanian Dinar (ISO 4217 Currency Code) |
| RF | Radio Frequency - Receptive Field (neurophysiology) |
| BLZ | Belize (ISO 3166 Trigram) |
| WWWF | World Wide Wrestling Federation |
| RSN | Real Soon Now (coined By Author Jerry Pournelle) |
| RCAR | Research Council For Automobile Repairs (are-car) |
| VSHORAD | Very Short Range Air Defence |