| Acronym | Meaning |
| SCTP | Stream Control Transmission Protocol |
| ACT | Adaptive Control Of Thought (cognitive Model) ? Australian Capital Territory (postal Symbol) ? American College Test(ing Program) |
| HVAP | High Velocity Armour Piercing (ammunition) |
| LLNL | Lawrence Livermore National Laboratory |
| HMO | Hiri Motu Language (ISO 639-2 Code) |
| DOI | Digital Object Identifier - U.S. Department Of The Interior |
| NJ | New Jersey (postal Symbol) |
| SOUTHAG | Southern Army Group |
| NO | Nobelium |
| PCN | Pitcairn Islands (ISO 3166 Trigram) |