- tissue plasminogen activator
- the trots
- the shits
- temporopotine tract
- to lure
- tuffiers line
- tiddly winks
- thunder lizard
- thromobolytic agent
- tilletia caries
- tillandsia usneoides
- to (re) produce
- to give birth (to)
- toilet_train
- toilet bowl
- the missing
- to erase
- termolecular reaction
- totipotence
- totipotency
- to wither
- titanium oxide
- titaness
- tehsil
- the office or court of a tehsildar
- teratogen
- thromboplastin generation test
- thrombolytic
- thrombohaemolytic thrombocytopenic purpura
- thrombophlebitis
- timothy
- to put straight
- temperately
- toledo
- the whole way
- through and through
- to the ground
- to a tee
- tucker bag
- tucson
- telethermometer
- thermel
- thermoelectric thermometer
- thermocouple junction
- thermograph
- thermopile
- trichotomy
- touch type
- touch the right chord
- thermonuclear reaction