varactor
[vuh-rak-ter]
- a semiconductor diode whose capacitance changes to match applied voltage, used to tune circuits by varying the reactance.
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Origin of varactor
1955–60; var(iable re)actor
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
varactor
- a semiconductor diode that acts as a voltage-dependent capacitor, being operated with a reverse biasCompare varistor
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Word Origin
C20: probably a blend of variable reactor
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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