pho·​to·​cell | \ ˈfō-tə-ˌsel How to pronounce photocell (audio) \

Definition of photocell

Examples of photocell in a Sentence

Recent Examples on the Web In short: The missile would adjust course midflight to keep the target’s heat signature reflected onto a sensitive photocell, making the missile literally seek heat. Alex Hollings, Popular Mechanics, 21 Mar. 2021 Then a buddy at work, a master electrician, devised a photocell to power the lights and reduce battery hassle. Zaz Hollander, Anchorage Daily News, 28 Nov. 2019 The new light fixtures have a dusk-to-dawn photocell and 100-watt LED light bulbs. Benny L. Kass,, 14 Feb. 2018 To reverse engineer the wave, Adafruit measured the brightness of a Mac LED using an oscilloscope, a photocell, some extra circuitry and — of course — duct tape. Charlie Sorrel, WIRED, 16 June 2011

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'photocell.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of photocell

1891, in the meaning defined above

History and Etymology for photocell

International Scientific Vocabulary

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Time Traveler for photocell

Time Traveler

The first known use of photocell was in 1891

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Cite this Entry

“Photocell.” Dictionary, Merriam-Webster, Accessed 16 May. 2022.

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