| Acronym | Sense | Language | Topics |
|---|---|---|---|
| ET | Esclerosis Tuberosa = TS | Tuberous Sclerosis | In English = TS | Tuberøs Sklerose | In Norwegian |
In Spanish | → Neurology |
| ET | External Tank | In English | |
| ET | Edge Thickness | In English | |
| ET | Elapsed Time | In English | |
| ET | Element Test | In English | |
| ET | Elevated Temperature | In English | |
| ET | Event Timer | In English |