| Acronym | Meaning |
 | AS | American Samoa (postal Symbol; ISO 3166 Digram) - Australia (FIPS 10-4 Country Code) |
| CL | Chile (ISO 3166 Digram) -Co-ordination Line - One Hundred And Fifty (in Roman Numerals) |
| ISMB | International Society Of Matrix Biologists |
| POETS | Portable Occultation |
| B2E | Business-to-employee Electronic Commerce |
| GCCS | Global Command And Control System (geeks) |
| TS | Tsonga Language (ISO 639-1 Code) |
| EUS | Basque Language (ISO 639-2 Code) |
| ROC | Receiver Operating Characteristic (statistics) - Regional Operations Centre - Republic Of China - Roc-A-Fella Records |
| YI | Yiddish Language (ISO 639-1 Code) |
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