| Acronym | Meaning |
| AYU | As Yet Unknown |
| CRT | Cardiac Resynchronization Therapy - Cathode Ray Tube - Chinese Remainder Theorem |
| MPEV | Multi-Purpose Engineering Vehicle |
| BOL | Bolivia (ISO 3166 Trigram) |
| RH | Rhodium |
| RUB | Russian Ruble (ISO 4217 Currency Code) |
| TUK | Turkmen Language (ISO 639-2 Code) |
| DSD | Defence Studies Department (King's College |
| GEL | Georgian Lari (ISO 4217 Currency Code) - Gilbert And Ellice Islands (ISO 3166 Trigram; Obsolete 1977) |
| BSMB | British Society For Matrix Biology |