- target computer
- target flow transmitter
- target flowmeter
- target strength
- task
- taut suspension galvanometer
- technology test and verify
- tele-meteorograph
- tele-thermohygrograph
- telecentric optical system
- teleconverter
- telegram current meter
- telemeasuring equipment
- telemetering instrument
- telemetering STD profiling system
- telemetering wave buoy
- telemetry strain indicator
- telephoto lens
- telephoto objective
- telephoto ratio
- telephotometer
- teleprinter
- teleprocessing
- telepsychrometer
- telescope
- telescopic objective
- telescopic system
- television camera lens
- television limiting
- television print
- temperature and humidity controller
- temperature calibration
- temperature coefficient
- temperature coefficient at zero-power resistance
- temperature coefficient of elastic modulus
- temperature coefficient of frequency
- temperature coefficient of gauge factor
- temperature coefficient of resistance
- temperature compensator
- temperature controller
- temperature error
- temperature error band
- temperature field
- temperature gradient
- temperature gradient error
- temperature index
- temperature indicator
- temperature liquid medium
- temperature range
- temperature sensor