photosensorn.
/ˈfəʊtə(ʊ)sɛnsə/, U.S. /ˈfoʊdoʊˌsɛnsər/, /ˈfoʊdəˌsɛnsər/ A sensor that generates an electrical signal in response to light.
ΘΚΠ
the mind > attention and judgement > discovery > instrument for detection > [noun] > sensor
sensor1947
micro-sensor1962
photosensor1962
chemosensor1969
the world > matter > physics > electromagnetic radiation > light > scientific effects of light > [noun] > sensor that responds to light
photosensor1962
1962 Instrument Pract. 16 1519/2 (heading) Subminiature photosensors.
1975 Physics Bull. Feb. 82/3 The solid state cameras..replace the bulky Vidicon tube normally used by an array of 104 photosensors, which have a broad spectral response.
1991 Process Engin. Aug. 53/4 A photosensor automatically activates the display's backlight in dark conditions.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1962