varistor

[ va-ris-ter, vuh- ]
/ væˈrɪs tər, və- /

noun Electricity.

a resistor whose resistance automatically varies in proportion to the voltage of the current through it.

Origin of varistor

First recorded in 1940–45; var(iable) + (res)istor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for varistor

varistor
/ (vəˈrɪstə) /

noun

a two-electrode semiconductor device having a voltage-dependent nonlinear resistanceCompare varactor

Word Origin for varistor

C20: a blend of variable resistor
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