| Acronym | Meaning |
| ARBI | Adjusted Running Book Inventory |
| 3CPO | Cloud Chemistry And Cloud Physics Organization |
| AP | Administrative Procedure |
| RAM | Rad Academica De Mexico |
| NIP | National And International Program |
| MIGS | MASnet Internet Gateway Server (or System) |
| CASH | Commercial Aviation Sensing Of Humidity |
| AER | Average Evoked Response |
| JIC | Joint Implementation Committee |
| BBC | British Broadcasting Corporation |