| Acronym | Meaning |
| TSCA | Toxic Substances Control Act (tosca) |
| KARNAC | Knowledge Aided Retrieval In Activity Context |
| BHR | Bahrain (ISO 3166 Trigram) |
| GTM | Guatemala (ISO 3166 Trigram) |
| MPC | Minor Planet Center - Minor Planet Circular |
| DOT | Department Of Transportation (U.S. Federal Or State) |
| VISCII | VIetnamese Standard Code For Information Interchange |
| EICS | East India Company's Service |
| FIN | Finnish Language (ISO 639-2 Code) |
| HZ | Herero Language (ISO 639-1 Code) |