| Acronym | Meaning |
| ZT | Zeptotesla |
| SIGMET | Significant Meteorological Information |
| MLWS | Mean Low Water Springs (nautical Charts) |
| ADIZ | Air Defence Identification Zone |
| FW | Femtowatt |
| LUCA | Last Universal Common Ancestor |
| URI | Uniform Resource Identifier |
| FOB | Free On Board (shipping) |
| BBN | Bolt |
| CRIPL | Consolidated Remain-In-Place List |