| Acronym | Meaning |
| COGENT | Cognitive Objects Within A Graphical EnviroNmenT |
| LGBT | Lesbian |
| AUC | Ab Urbe Condita / Anno Urbis Conditae (Latin From The Founding Of The City / In The Year Since The Founding Of The City) (of Rome) - Area Under The Curve (concentration Time Curve; Medicine) |
| ZR | Zirconium |
| EF | Entry Foyer |
| ARDA | Advanced Research And Development Activity (became DTO 2006) |
| WRT | With Respect To |
| SOA | Service-oriented Architecture |
| HTI | Haiti (ISO 3166 Trigram) |
| TRL | Technology Readiness Level |