| Acronym | Meaning |
| HCCI | Homogeneous Charge Compression Ignition |
| BWR | Boiling-Water Reactor |
| VV | Via Voice - Village Voice |
| HR | Croatia (FIPS 10-4 Country Code; ISO 3166 Digram) -Harvard Revised Star Catalogue - Human Resources |
| CTVT | Canine Transmissible Venereal Tumour |
| KV | Komi Language (ISO 639-1 Code) |
| KAL | Kalaallisut Language (ISO 639-2 Code) |
| BLDU | Blowing Dust (METAR Code) |
| HOT | Highly Optimised Tolerance |
| AEF | American Expeditionary Force |