| Acronym | Meaning |
| ANSI | American National Standards Institute |
| HG | Mercury (Latin Hydrargyrum) |
| EI | Ireland (FIPS 10-4 Country Code; From ire) |
| ISBN | International Standard Book Number (ISO 2108) |
| FIJ | Fijian Language (ISO 639-2 Code) |
| VUV | Vanuatu Vatu (ISO 4217 Currency Code) |
| HI | Hawaii (postal Symbol) |
| WOS | Wilson Ornithological Society |
| STR | Short Tandem Repeat (DNA Analysis) |
| TAAR | Trace Amine-Associated Receptor |