| Acronym | Meaning |
| WPB | War Production Board During World War II |
| KN | Kannada Language (ISO 639-1 Code) |
| NOTAFLOF | No One Turned Away For Lack Of Funds |
| TEST | Thesaurus Of Engineering And Scientific Terms |
| AOI | Angle Of IncidenceArab Organization For Industrialization |
| NTC | National Training Center - Negative Temperature Coefficient (thermistor) |
| JINI | Java Intelligent Network Infrastructure |
| SLAN | Sine Loco |
| YS | Yottasecond |
| PNF | Pilot Not Flying (aviation) |