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photoresistor

Scientific  
/ fō′tō-rĭ-zĭs′tər /

  1. A resistor whose resistance varies as a function of the intensity of light it is exposed to.

  2. Also called photocell

  3. See also photoelectric

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.