| Acronym | Meaning |
 | PWL | PieceWise Linear (describing A Mathematical Function) |
| SSTO | Single-Stage To Orbit |
| SB | Solomon Islands (ISO 3166 Digram) |
| MMU | Manchester Metropolitan University -Manned Manoeuvring Unit |
| DLTBGYD | Don't Let The Bastards Grind You Down |
| JLA | Justice League Of America |
| ROFL(MAO) | Rolling On The Floor Laughing (My Ass Off) |
| EH | Exahenry - Western Sahara (ISO 3166 Digram) |
| ELT | Emergency Locator Transmitter |
| CAV | Cavalry |
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