| q3h | every three hours [Lat. quaque tertia hora] |
|---|---|
| TCV | thoracic cage volume; three concept view |
| TD | tabes dorsalis; tardive dyskinesia; T-cell dependent; temporary disability; terminal device; tetanus... |
| td | three times daily [Lat. ter die] |
| TDI | temperature difference integration; three-dimensional interlocking [hip]; toluene 2,4-diisocyanate; ... |
| TLV | two lung ventilation |
|---|---|
| 2 AFC | two-alternative forced choice |