| 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. |
| PP | Papua New Guinea (FIPS 10-4 Country Code) -Passage Point - Per Procurationem (Latin |
| M | Mega - One Thousand (in Roman Numerals) |
| PIREPS | Pilot Reports |
| KFUPM | King Fahd University Of Petroleum & Minerals |
| OPORD | Operation Order |
| AHEC | Australian Health Ethics Committee |
| ACOM | (U.S.) Atlantic Command |
| ANTM | America's Next Top Model |
| MIMAROPA | Mindoro |