| Acronym | Meaning |
 | GLA | Scottish Gaelic Language (ISO 639-2 Code) |
| Q4 | Fourth Quarter |
| CDM | Clean Development Mechanism (Kyoto Protocol) - Cold Dark Matter (astronomy) |
| NNO | Norwegian Nynorsk Language (ISO 639-2 Code) |
| HBO | Home Box Office |
| MSL | Mars Science Laboratory - Mean Sea Level -Missile |
| WH | Wehrmacht Heer (German WW2 Army Vehicle Licence Plate Code) |
| SRBM | Short-Range Ballistic Missile (cf. IRBM |
| CU | Old Church Slavonic Language (ISO 639-1 Code) |
| ZG | Zettagram |
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