| 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. |
| YF | Yottafarad |
| C2C | Consumer-To-Consumer Electronic Commerce - Cam-To-Cam Internet Chat |
| LK | Sri Lanka (ISO 3166 Digram) |
| XPF | CFP Franc (ISO 4217 Currency Code) |
| FCW | Florida Championship Wrestling |
| BEO | Banquet Event Order |
| GSO | General Services Officer (U.S. Department Of State) |
| J5 | Joint Strategic Plans & Policy Directorate |
| SIG | .signature (UNIX Shell/Internet Standard File Name) -Special Interest Group |