| MTAC | mass transfer area coefficient |
|---|---|
| MTACR | multiple tumor-associated chromosome region |
| MTAD | membrana tympana auris dextrae |
| MTAL | medullary thick ascending limb |
| MTAP | methylthioadenosine phosphorylase |
| MTAS | membrana tympana auris sinistrae |
| MTB | methylthymol blue |
| Mtb | Mycobacterium tuberculosis |
| MTBE | Methyl-Tert-Butyl Ether |
| MTBE | meningeal tick-borne encephalitis; methyl tert-butyl ester |