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zener diode

or Zener diode

[zee-ner]
noun Electronics.
  1. a semiconductor diode across which the reverse voltage remains almost constant over a wide range of currents, used especially to regulate voltage.
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Origin of zener diode

1955–60; after U.S. physicist Clarence Melvin Zener (born 1905)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for zener diode

Zener diode

noun
  1. a semiconductor diode that exhibits a sharp increase in reverse current at a well-defined reverse voltage: used as a voltage regulator
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Word Origin for Zener diode

C20: named after C. M. Zener (1905–93), US physicist
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