English 
three-way box
German 
Portuguese 
translation - three-way box translate | English dictionary
- three-square file
- three-step
- three-step controller
- three-step oscillator
- three-valued
three-way box
- three-way catalytic converter
- three-way connector
- three-way power splitter
- three-way reflex
- three-way switch
- three-wheeler
- three-wire
- three-wire machine
- three-wire plug
- three-wire socket
- three-wire system
- threechromatic
- threefold
- threnody
- thresh
- thresher
- threshing machine
- threshold
- threshold current
- threshold element
- threshold extension demodulator
- threshold gate
- threshold laser current
- threshold logic
- threshold of hearing
