| Acronym | Meaning |
| ERCIM | European Research Consortium For Informatics And Mathematics |
| DHY | Dahomey (ISO 3166 Trigram; Became BEN In 1977) |
| LK | Sri Lanka (ISO 3166 Digram) |
| NT | Iraq-Saudi Arabia Neutral Zone (ISO 3166 Digram; Obsolete 1993) - Northern Territory (Australia) (postal Symbol) - Northwest Territories (Canada) (postal Symbol) - National Trust (UK) |
| CAPES | CAPability Evaluation System -Combined Arms Planning And Execution System |
| VIDS | Visual Information Display System |
| ANM | Acoustic Noise Monitor |
| RERC | Rehabilitation Engineering Research Center |
| WTC | World Trade Center |
| HTTP | HyperText Transfer Protocol |