| Acronym | Meaning |
 | PPM | Parts Per Million |
| AI | Air Interdiction -Anguilla (ISO 3166 Digram) -Amnesty International - Artificial Insemination - Artificial Intelligence |
| MW | Milliwatt |
| KAZ | Kazakhstan (ISO 3166 Trigram) |
| NN | Norwegian Nynorsk Language (ISO 639-1 Code) |
| AADC | Area Air Defence Commander |
| ASIO | Australian Security Intelligence Organisation -Audio Stream Input Output |
| EMEA | Europe |
| DVU | Decessit Vita Uxoris (Latin |
| MHWN | Mean High Water Neaps (nautical Charts) |
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