| Acronym | Meaning |
| CD1 | Cluster Of Differentiation 1 (a Small Gene Family) |
| CH | Chamorro Language (ISO 639-1 Code) |
| GPU | Gosudarstvennoye Politicheskoye Upravlenie (Russian ??????????????? ???????????? ?????????? |
| GMT | Giant Magellan Telescope - Greenwich Mean Time |
| MLHW | Mean Lower High Water (nautical Charts) |
| PVR | Personal Video Recorder |
| NAVCC (NAVY) | Navy Component Commander |
| LCOL | Lieutenant-Colonel (Canada |
| ATG | Antigua And Barbuda (ISO 3166 Trigram) |
| A | Ampere |