| Acronym | Meaning |
 | TMI | Too Much Information (Internet Slang) |
| AC | Attocoulomb |
| POR | Portuguese Language (ISO 639-2 Code) |
| WHAM | Wisconsin Hydrogen-Alpha Mapping (telescope) |
| SWAT | Special Weapons And Tactics |
| GAD | Generalized Anxiety Disorder |
| STOVL | Short Take-Off And Vertical Landing |
| DRET | Defence Research Establishment Toronto (obsolete 2002) |
| PFE | Permanent Forest Estate |
| UZB | Uzbekistan (ISO 3166 Trigram) |
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