| Acronym | Meaning |
| CRI | Costa Rica (ISO 3166 Trigram) |
| SE | Seychelles (FIPS 10-4 Country Code) - South-East - Sweden (ISO 3166 Digram) -Synthetic Environment - System Engineering |
| IAB | International Association For Biologicals |
| JCL | Job Control Language |
| G24 | Group Of 24 (subset Of G77 |
| ZL | Zeptolitre |
| ATACMS | Army TACtical Missile System |
| NW | Nanowatt |
| ISAAA | International Service For The Acquisition Of Agri-biotech Applications |
| AE | Armed Forces Africa/Canada/Europe/Middle East (postal Symbol) - United Arab Emirates (ISO 3166 Digram; FIPS 10-4 Country Code) |