varactor Hear it!

varactor definition

☆ va·rac·tor (və rak′tər)

noun

Electronics a semiconductor diode capacitor whose capacitance varies with the voltage applied

Etymology: var(iable) + (re)act(ance) + -or

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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