| Acronym | Meaning |
| III | Sichuan Yi Language (ISO 639-2 Code) |
| LASER | Light Amplification By Stimulated Emission Of Radiation (cf. Maser) |
| ZT | Zeptotesla |
| FIFO | First In |
| GK | Gigakelvin - Guernsey (FIPS 10-4 Territory Code) |
| FM | Fermium |
| ONI | (U.S.) Office Of Naval Intelligence |
| TMAP | Texas Medication Algorithm Project |
| YM | Yoctometre |
| PK | Picokelvin |