| Acronym | Meaning |
| RT | PCR -Real Time Polymerase Chain Reaction Or Reverse Transcriptase Polymerase Chain Reaction. Clarified With Real Time RT-PCR Or Reverse Transcriptase RT-PCR Where Appropriate. |
| LQ | Palmyra Atoll (FIPS 10-4 Territory Code) |
| AB | Able Seaman (rank) |
| MO | Moldovan Language (ISO 639-1 Code) |
| TRADOC | (U.S. Army) Training And Doctrine Command |
| BNSF | Burlington Northern Santa Fe |
| EIA | Environmental Impact Assessment |
| WL | Wehrmacht Luftwaffe (German WW2 Air Force Vehicle Licence Plate Code) |
| WYSIWYG | What You See Is What You Get (pronounced Wizzy-wig. See Entry For Derived Acronyms) |
| COS | Cooper Ornithological Society |