| Acronym | Meaning |
| MA | Megaannum |
| RESNA | Rehabilitation Engineering And Assistive Technology Society Of North America |
| DA | Denmark (FIPS 10-4 Country Code) -U.S. Department Of The Army - District Attorney |
| ISEF | Intel International Science And Engineering Fair |
| ASD(LA) | (U.S.) Assistant Secretary Of Defense (Legislative Affairs) |
| SSTO | Single-Stage To Orbit |
| RFE | Request For Enhancement |
| CUPS | Common Unix Printing System |
| SOWHAT | RESNA Subcommittee On Wheelchairs And Transportation |
| NI | Nicaragua (ISO 3166 Digram) - Nigeria (FIPS 10-4 Country Code) |