zener diode

noun, often capitalized Z
ze·ner diode | \ˈzē-nər-, ˈze- \

Definition of zener diode 

: a silicon semiconductor device used especially as a voltage regulator

First Known Use of zener diode

1957, in the meaning defined above

History and Etymology for zener diode

Clarence M. Zener †1993 American physicist

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The first known use of zener diode was in 1957

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