| Acronym | Meaning |
| XX | Twenty (in Roman Numerals) |
| TMTOWTDI | There's More Than One Way To Do It (from Perl) |
| TEVES | Tensor Vector Scalar Theory |
| MMO | Massively Multiplayer Online (computer Game) |
| SNRI | Serotonin-Norepinephrine Reuptake Inhibitor |
| LBS | Location-Based Services |
| DECA | (U.S.) Defense Commissary Agency |
| FBR | Fast Breeder Reactor - Foundation For Biomedical Research |
| QWG | Quadripartite Working Group (qwig) |
| NAVFE | U.S. Naval Forces |