| Acronym | Meaning |
| TATT | Tired All The Time (medical Diagnosis In-joke) |
| WCL | World Confederation Of Labour |
| BYU | Brigham Young University |
| MTOE | Modified Table Of Organization And Equipment (emm-toe) |
| VIA | Versatile Interface Adapter |
| BDTA | British Dental Trade Association |
| ATSD | (U.S.) Assistant To The Secretary Of Defense |
| CHI | Computer-Human Interaction |
| MZ | Mach-Zehnder (interferometer) -Magnetic Azimuth -Move |
| FWIW | For What It's Worth |