varactor
[ vuh-rak-ter ]
/ vəˈræk tər /
noun
a semiconductor diode whose capacitance changes to match applied voltage, used to tune circuits by varying the reactance.
Origin of varactor
1955–60;
var(iable re)actor
Words nearby varactor
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
Word Origin for varactor
C20: probably a blend of
variable reactor