| Acronym | Meaning |
| OCI | Occitan Language (ISO 639-2 Code) |
| TAH | Tahitian Language (ISO 639-2 Code) |
| SJM | Svalbard And Jan Mayen (ISO 3166 Trigram) |
| IIT | Illinois Institute Of Technology - Indian Institutes Of Technology - Indiana Institute Of Technology |
| ET SEQ. | Et Sequens/sequentes/sequentia (Latin |
| RGB | Red Green Blue (colour Model) |
| POD | Plain Old Documentation |
| HVO | Upper Volta (ISO 3166 Trigram; Obsolete 1984) |
| RDTE OR RDT&E | Research |
| DODD | U.S. Department Of Defense Directive |