| Acronym | Meaning |
 | HAL | Hardware Abstraction Layer |
| VLF | Very Low Frequency |
| WR | Wide Receiver (football) |
| FRS | Fellow Of The Royal Society - U.S. Federal Reserve System |
| ALOC | Air Lines Of Communication |
| US | United States (alsoISO 3166 And FIPS 10-4 Country Code Digram) |
| DCAS | Devon And Cornwall Archery Society |
| IT | Italian Language (ISO 639-1 Code) |
| MHLW | Mean Higher Low Water (nautical Charts) |
| BU | Bulgaria (FIPS 10-4 Country Code) - Burma (ISO 3166 Digram; Obsolete Since 1989) |
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