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photoresistor

American

noun

a resistor whose resistance varies depending on how much light it is exposed to.

photoresistor Scientific

/ fō′tō-rĭ-zĭs′tər /

A resistor whose resistance varies as a function of the intensity of light it is exposed to.
Also called photocell
See also photoelectric

Other Word Forms

Inflected Forms

noun

photoresistors

plural

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.