thru - trac
- tone generator
- tongs
- tongue and groove arrangement
- tonograph
- tonometry
- tool
- tool and equipment list of defects
- tool kit
- tooth of sear
- toothed rim
- toothed ring
- top
- top buffer cradle
- top carriage trunnion
- top center piston position
- top cover
- top dead center
- top dead center indicator
- top hatch flap
- top notch
- top of hammer
- top of land
- top of overcast
- top plate
- top plate of receiver
- top plates of fighting chamber
- top pressure
- top propellant tank
- top roller
- top shield
- top speed
- top view
- topical problem
- topocentric coordinates
- topographic reconnaissance
- topographic service
- topographical conditions
- topographical crest
- topography
- topping line
