- thalassaemia major
- thyrotoxic
- trachoma follicle
- trachoma dubium
- to emerge victorious
- to raze (a building city etc.)
- to see one's longing
- to cause to get excited
- to see green in one's eye
- to cause to flare up
- to cause to be wearied
- to cause to cross over
- to request the presence of
- Tethys
- to set afloat a rumour
- Tridacna
- tiger cub
- tetra
- tickle
- tegumentary tissue
- to give a curt
- to get rough
- to be good inspite of provocation
- to have no modesty
- to be blunt
- to outrage the modesty (of)
- thrombelastography
- tonsillary
- tonsillectomy bag
- theoterrorism
- trypsin
- telomerase
- to give suck to
- thick film memory
- transplanted
- transurethral resection
- trial labour
- telephone conversation
- top level
- top lift
- top gear
- top less
- top heavy
- the top flight
- true marmoset
- trun the other cheek
- to allay
- to quench
- to try to conceal
- to cause turmoil