| Acronym | Meaning |
| MPEC | Minor Planet Electronic Circular |
| DILLIGAF | Do I Look Like I Give A Fuck? (Internet Shorthand) |
| KV | Kilovolt |
| CAT | Community Acceptance Testing - Computer-Assisted (or Axial) Tomography |
| NOS | Network Operating System - New Old Stock (Internet Auction/trading Listings) - Nitric Oxide Synthase (enzyme) |
| FWS | U.S. Fish And Wildlife Service |
| JO | Jordan (FIPS 10-4 Country Code; ISO 3166 Digram) |
| AFO | Association Of Field Ornithologists |
| ZK | Zettakelvin |
| EPIRB | Emergency Position Indicating Radio Beacon |