| Acronym | Meaning |
| CCG | Canadian Coast Guard - Collectible Card Game |
| IHS | Institut Des Hautes ?tudes Scientifiques (French |
| LTP | Long-Term Potentiation |
| MET | Meteorological -Middle European Time |
| HOTT OR HOTT | Hordes Of The Things (miniature Fantasy Wargaming Rules; A Play On The Lord Of The Rings) |
| GIF | Graphics Interchange Format (pronounced Jif) |
| HMS | Helmet-mounted Display - Her Majesty's Ship (Royal Navy) |
| MYS | Malaysia (ISO 3166 Trigram) |
| COPUS | U.K. Committee On The Public Understanding Of Science |
| HARM | High-speed Anti-Radiation Missile |