| Acronym | Meaning |
| NG | Natural Gas - Next Generation -Niger (FIPS 10-4 Country Code) - Nigeria (ISO 3166 Digram) |
| IANAL | I Am Not A Lawyer |
| CDMA | Code Division Multiple Access |
| HMMWV | High Mobility Multipurpose Wheeled Vehicle (hum-vee; Hummer) |
| DU | Depleted Uranium -Dust (METAR Code) |
| PEBCAC | Problem Exists Between Chair And Computer (IT Help Desk In-joke) |
| HIMAD | High To Medium Altitude Air Defence (see Also H/MAD) |
| R&D | Research & Development |
| DIMM | Dual In-line Memory Module (computing) |
| R | Reinforcing - Right -R?ntgen |