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zener diode

or Zener diode

[zee-ner] /ˈzi nər/
noun, Electronics.
a semiconductor diode across which the reverse voltage remains almost constant over a wide range of currents, used especially to regulate voltage.
Origin of zener diode
1955-60; after U.S. physicist Clarence Melvin Zener (born 1905) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for zener diode

Zener diode

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