| Acronym | Meaning |
 | ZN | Zettanewton |
| NP | National Permit - A Permit In India For Trucks So They Can Go Anywhere In The Nation. |
| ATG | Antigua And Barbuda (ISO 3166 Trigram) |
| AMO | Atlantic Multidecadal Oscillation |
| RT | PCR -Real Time Polymerase Chain Reaction Or Reverse Transcriptase Polymerase Chain Reaction. Clarified With Real Time RT-PCR Or Reverse Transcriptase RT-PCR Where Appropriate. |
| TF | French Southern Territories (ISO 3166 Digram) -Task Force -Terafarad |
| LLLTV | Low-Light Level Television |
| PW | Palau (postal Symbol; ISO 3166 Digram) - Petawatt |
| JSR | Java Specification Request |
| MARFORCC | Marine Force Component Commander |
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