follow Dictionary.com

Capitol vs. capital? What's the difference?

varactor

[vuh-rak-ter] /vəˈræk tər/
noun
1.
a semiconductor diode whose capacitance changes to match applied voltage, used to tune circuits by varying the reactance.
Origin of varactor
1955-1960
1955-60; var(iable re)actor
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
British Dictionary definitions for varactor

varactor

/ˈvɛəˌræktə/
noun
1.
a semiconductor diode that acts as a voltage-dependent capacitor, being operated with a reverse bias Compare varistor
Word Origin
C20: probably a blend of variable reactor
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
Cite This Source

Word of the Day

Difficulty index for varactor

Some English speakers likely know this word

Word Value for varactor

0
15
Scrabble Words With Friends

Nearby words for varactor