[ rek-tuh-fahy-er ]
/ ˈrɛk təˌfaɪ ər /


a person or thing that rectifies.
Electricity. an 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.

Origin of rectifier

First recorded in 1605–15; rectify + -er1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for rectifier

British Dictionary definitions for rectifier

/ (ˈrɛktɪˌfaɪə) /


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
chem an apparatus for condensing a hot vapour to a liquid in distillation; condenser
a thing or person that rectifies
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for rectifier

[ rĕktə-fī′ər ]

An electrical device that converts alternating current to direct current. Rectifiers are most often made of a combination of diodes, which allow current to pass in one direction only. Compare converter transformer.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.