- an electronic device, such as a semiconductor diode or valve, that converts an alternating current to a direct current by suppression or inversion of alternate half-cycles
- an apparatus for condensing a hot vapour to a liquid in distillation; condenser
- a thing or person that rectifies
WordReference Random House Unabridged Dictionary of American English © 2026
rec•ti•fi•er
(rek′tə fī′ər),USA pronunciation n.
- a person or thing that rectifies.
- Electricityan apparatus in which current flows more readily in one direction than the other, for changing an alternating current into a direct current.
- the apparatus that in distillation separates the most volatile material by condensing it;
condenser.
- rectify + -er1 1605–15
Collins Concise English Dictionary © HarperCollins Publishers::
rectifier /ˈrɛktɪˌfaɪə/ n
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'rectifier' also found in these entries (note: many are not synonyms or translations):
