photoconductivity

noun

pho·​to·​con·​duc·​tiv·​i·​ty ˌfō-tō-ˌkän-ˌdək-ˈti-və-tē How to pronounce photoconductivity (audio)
-kən-
: electrical conductivity that is affected by exposure to electromagnetic radiation (such as light)

Examples of photoconductivity in a Sentence

Recent Examples on the Web
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Earlier this year, researchers at IBM’s Nanoscale Science and Technology group revealed some of the fundamental photoconductivity mechanisms of graphene. IEEE Spectrum, 24 July 2013

Word History

First Known Use

1924, in the meaning defined above

Time Traveler
The first known use of photoconductivity was in 1924

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Cite this Entry

“Photoconductivity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photoconductivity. Accessed 14 Feb. 2026.

Medical Definition

photoconductivity

noun
pho·​to·​con·​duc·​tiv·​i·​ty -ˌkän-ˌdək-ˈtiv-ət-ē, -kən- How to pronounce photoconductivity (audio)
plural photoconductivities
: electrical conductivity that is affected by exposure to electromagnetic radiation (as light)

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