| Acronym | Meaning |
| AMO | Atlantic Multidecadal Oscillation |
| TZC | Tetrazolium Chloride |
| NTP | Network Time Protocol |
| WF | Wallis And Futuna Islands (ISO 3166 Digram) |
| PMC | Primary Motor Cortex |
| NEA | Near-Earth Asteroid - Nuclear Energy Agency (OECD) |
| OCFS | Oracle Cluster File System |
| BTP | British Transport Police |
| HMSO | Her Majesty's Stationery Office |
| SPD | Shimano Pedaling Dynamics - Sozialdemokratische Partei Deutschlands (Social Democratic Party Of Germany) |