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“varistors”
In electricity, a variable resistor.
A two-electrode resistor made of semiconductor material and having voltage-dependent nonlinear resistance which drops with an increase in applied voltage; can be used to protect sensitive equipment from power spikes or lightning strikes by shunting the energy to the ground.
This entry is located in the following units:
-or; -our (primarily British)
(page 14)
vari-
(page 4)