| Acronym | Meaning |
 | GRC | Greece (ISO 3166 Trigram) |
| SARA | Southeastern Association For Research In Astronomy - Scientific Atlanta Resident Application - Scottish Amateur Rowing Association - Southern African Railway Association - State Administration For Religious Affairs |
| AI | Air Interdiction -Anguilla (ISO 3166 Digram) -Amnesty International - Artificial Insemination - Artificial Intelligence |
| HOTT OR HOTT | Hordes Of The Things (miniature Fantasy Wargaming Rules; A Play On The Lord Of The Rings) |
| CTS | Clear-To-Send - Collective Training Standards - Communications Technology Service - Contract Technical Services - Conversation Time Sharing - COSMIC Top Secret |
| CRT | Cardiac Resynchronization Therapy - Cathode Ray Tube - Chinese Remainder Theorem |
| GFI | Ground Fault Interruptor (aka GFCI) |
| CZK | Czech Koruna (ISO 4217 Currency Code) |
| ATA | Advanced Technology Attachment (IBM Personal Computer) - Afghan Transitional Authority - Allen Telescope Array -Antarctica (ISO 3166 Trigram) |
| FACA | (US) Federal Advisory Committee Act |
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