| Acronym | Meaning |
| TWI | The Welding Institute |
| ODBC | Open DataBase Connectivity |
| OCD | Obsessive-Compulsive Disorder |
| NPG | Needline/Network Participation Group |
| BAK | Bashkir Language (ISO 639-2 Code) |
| NZD | New Zealand Dollar (ISO 4217 Currency Code) |
| ROH | Raeto-Romansh Language (ISO 639-2 Code) |
| IGS | International Ground Station |
| IMR | Inzhenernaya Mashina Razgrazhdeniya (Russian ?????????? ?????? ???????????? |
| ICAO | International Civil Aviation Organization |