| Acronym | Meaning |
 | CDIAC | Carbon Dioxide Information Analysis Center (see-dee-ack) |
| RF | Rutherfordium |
| PDL | Pure Dumb Luck (Texan Punk Band) |
| CERDEC | U.S. Communications-Electronics Research |
| JQ | Jetstar Airways (IATA Airline Designator) -Johnny Quick -Johnston Atoll (FIPS 10-4 Territory Code) -Jonny Quest - Joshua Quagmire |
| LUG | Linux User Group |
| STOVL | Short Take-Off And Vertical Landing |
| EOD | Explosive Ordnance Disposal |
| SD | Sheriff's Department - Smoke/Decontamination-South Dakota (postal Symbol) - Sudan (ISO 3166 Digram) |
| UNFCCC | United Nations Framework Convention On Climate Change |
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