| Acronym | Meaning |
 | NP | Neap Tide (nautical Charts) -Neptunium |
| LRICBM | Limited Range ICBM |
| KL | Kilolitre |
| LVA | Latvia (ISO 3166 Trigram) |
| YF | Yottafarad |
| AGA | AB Gas-accumulator (ah-gah |
| NYRA | National Youth Rights Association -New York Racing Association (horse Racing) |
| SRM | Specified Risk Material |
| MEC | Maine Central Railroad (AAR Reporting Mark) - Manta |
| XX | Twenty (in Roman Numerals) |
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