| Acronym | Meaning |
| NN | Nanonewton |
| RISD | Rhode Island School Of Design (riz-dee) |
| CJCS | Chairman |
| KP | Kim Possible |
| YU | York University -former Yugoslavia (ISO 3166 Digram |
| XX | Twenty (in Roman Numerals) |
| ALL | Albanian Lek (ISO 4217 Currency Code) |
| JANUS | Joint Academic Network Using Satellites (UK) - Joint Army Navy Uniform Simulation -Joint Army-Navy Staff - Just ANother Useless Simulation (Note: The U.S. Army Janus Simulation Is Not An Acronym) |
| TO | Togo (FIPS 10-4 Country Code) - Tonga (ISO 3166 Digram) |
| UTM | Universal Transverse Mercator (geographical Co-ordinate System) |