| Acronym | Meaning |
 | SPST | Single-Pole Single-Throw |
| BRE | Breton Language (ISO 639-2 Code) |
| USD | (U.S.) Under-Secretary Of Defense -U.S. Dollar (ISO 4217 Currency Code) |
| ENG | English Language (ISO 639-2 Code) |
| ZA | South Africa (ISO 3166 Digram) - Zambia (FIPS 10-4 Country Code) - Zettaampere |
| EOS | Earth Observation Satellite |
| XXX | Hardcore Pornography (film Rating) - Thirty (in Roman Numerals) |
| CHL | Chile (ISO 3166 Trigram) |
| GJD | Geocentric Julian Day |
| CE | Cerium |
Browse by Letter:
