| Acronym | Meaning |
| NSB | Norges Statsbaner (Norwegian State Railways) |
| DMI | Desktop Management Interface (computing) |
| FQDN | Fully Qualified Domain Name |
| SIP | Session Initiation Protocol - State Implementation Plan - System Improvement Program - Systematic Investment Plan |
| TC | Teracoulomb - Turks And Caicos (ISO 3166 Digram) - United Arab Emirates (FIPS 10-4 Country Code; From Trucial Coast States) |
| BR | Bromine |
| PLIF | Planar Laser-Induced Fluorescence |
| NIB | New In Box (Internet Auction/trading Listings) |
| MOSS | MObile Submarine Simulator -Moving Object Support System |
| YC | Yottacoulomb |