| Acronym | Meaning |
| TTZ | Tetrazolium |
| MA | Milliampere |
| ITT | International Telephone And Telegraph (U.S.) |
| PAN | Panama (ISO 3166 Trigram) -Personal Area Network -PolyAcryloNitrile |
| PACOM | (U.S.) Pacific Command |
| HUN | Hungary (ISO 3166 Trigram) |
| NS | Nanosecond |
| BTID | Battlefield Target Identification Device |
| ISSCR | International Society For Stem Cell Research |
| SO | Somali Language (ISO 639-1 Code) |