varactor
[ vuh-rak-ter ]
noun
a semiconductor diode whose capacitance changes to match applied voltage, used to tune circuits by varying the reactance.
Origin of varactor
11955–60; var(iable re)actor
Words Nearby varactor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for varactor
varactor
/ (ˈvɛəˌræktə) /
noun
a semiconductor diode that acts as a voltage-dependent capacitor, being operated with a reverse bias: Compare varistor
Origin of varactor
1C20: 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
Browse