| Acronym | Meaning |
| NIPR | National Institute Of Polar Research (Japan) |
| RCAF | Royal Canadian Air Force |
| EEK | Estonian Kroon (ISO 4217 Currency Code) |
| FC | Femtocoulomb |
| CTMS | Clinical Trial Management System |
| API | Application Programming Interface |
| IDL | Interface Definition Language |
| PKI | Public Key Infrastructure (cryptography) |
| ROA | Rate Of Ascent |
| DP | Decision Point - Dynamic Programming |