| Acronym | Meaning |
 | AOL | America OnLine |
| MER | Mars Exploration Rover |
| HCI | Human-Computer Interaction/Interface |
| LHC | Large Hadron Collider |
| K/T | Cretaceous/Tertiary Boundary |
| NO | Nitric Oxide -Normally Open -Norway (ISO 3166 And FIPS 10-4 Country Code Digram) |
| ACCD | American Coalition Of Citizens With Disabilities |
| FJ | Fijian Language (ISO 639-1 Code) |
| SAS | Scandinavian Airline Systems - Second Avenue Subway - Situational Awareness System - Special Air Service - Studies |
| HMMWV | High Mobility Multipurpose Wheeled Vehicle (hum-vee; Hummer) |
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