| Acronym | Meaning |
 | MAO | Mol?t? Astronomijos Observatorija (Moletai Astronomical Observatory) - MonoAmine Oxidase |
| F.K.A. OR F/K/A | Formerly Known As |
| NITFS | National Imagery Transmission Format Standard |
| PS | Pashto Language (ISO 639-1 Code) - Picosecond |
| IVL | Inter-Visibility Line |
| OJ | Orange Juice - O.J. Simpson |
| NT | Iraq-Saudi Arabia Neutral Zone (ISO 3166 Digram; Obsolete 1993) - Northern Territory (Australia) (postal Symbol) - Northwest Territories (Canada) (postal Symbol) - National Trust (UK) |
| IPTS | Institute For Prospective Technological Studies |
| GLP | Guadeloupe (ISO 3166 Trigram) |
| OBX | Outer Banks (North Carolina) |
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