| Acronym | Meaning |
| EPO | Esperanto Language (ISO 639-2 Code) |
| TATP | TriAcetone TriPeroxide |
| NR | Nauru (ISO 3166 And FIPS 10-4 Country Code Digram) |
| NF | Norfolk Island (ISO 3166 Digram) |
| UCAV | Unmanned Combat Air Vehicle |
| SIDS | Sudden Instant Death Syndrome |
| YA | Yottayear |
| PCTE | Portable Common Tool Environment;Punjab College Of Technical Education |
| GDC | Game Developers Conference |
| HOSTAC | Helicopter Operations From Ships Other Than Aircraft Carriers |