| Acronym | Meaning |
 | CAAT | OrCampaign Against Arms Trade - The Johns Hopkins Center For Alternatives To Animal Testing |
| GISS | General Impression Of Size And Shape - Goddard Institute For Space Studies |
| YV | Yoctovolt |
| USDA | United States Department Of Agriculture |
| CN | Canadian National (railway) -China (ISO 3166 Digram) - Comoros (FIPS 10-4 Country Code) |
| GSA | U.S. General Services Administration |
| VEEGA | Venus Earth Earth Gravity Assist Man?uvre |
| RON | Romanian Language (ISO 639-2 Code) |
| ATG | Antigua And Barbuda (ISO 3166 Trigram) |
| AW | Attowatt |
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