| Acronym | Meaning |
 | USIA | United States Information Agency |
| IISS | International Institute For Strategic Studies |
| SCOTUS | Supreme Court Of The United States |
| CN | Canadian National (railway) -China (ISO 3166 Digram) - Comoros (FIPS 10-4 Country Code) |
| C | Centi |
| IICA | Inter-American Institute For Cooperation On Agriculture |
| TA | Tamil Language (ISO 639-1 Code) |
| WIYN | Wisconsin Indiana Yale NOAO Telescope Consortium |
| PM | Petametre - Promethium |
| EDH | Eastman Dental Hospital |
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