photoresistancen.
/ˌfəʊtəʊrᵻˈzɪst(ə)ns/, U.S. /ˌfoʊdoʊrəˈzɪst(ə)ns/, /ˌfoʊdoʊriˈzɪst(ə)ns/ Physics.
Electrical resistance that is dependent on the degree of illumination. Also: an instance of this; a photoresistor.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > resistance > [noun]
resistance1746
R1842
water resistance1859
resistivity1885
skin effect1890
high-frequency resistance1892
leak1896
negative resistance1896
photoresistance1925
piezoresistance1954
piezoresistivity1958
the world > matter > physics > electromagnetic radiation > electricity > resistance > [noun] > non-conductor, resistor > working by illumination
photoresistance1957
photoresistor1959
1925 Astrophysical Jrnl. 67 317 (heading) Apparent photoresistance effects.
1957 Chem. Abstr. 51 7134 At low levels of ionizing radiation CdS photoresistances exhibited considerable inertness.
1978 Nature 23 Mar. 315/1 The light rays impinged on the photoresistances L1 and L2, which formed a bridge circuit with the variable resistances R1 and R2.
1994 Semiconductor Sci. & Technol. 9 2110 Spatially resolved measurements of the photoresistance of a 2D electron gas have been performed.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1925