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photopotential
photopotential n.
Brit. 
/ˌfəʊtə(ʊ)pəˈtɛnʃl/
, /ˌfəʊtə(ʊ)pəˈtɛnʃl/U.S. /ˌfoʊdoʊpəˈtɛn(t)ʃ(ə)l/
an electric potential generated by light./ˌfoʊdoʊpəˈtɛn(t)ʃ(ə)l/ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > voltage > electrical potential > [noun] > generated by light
photopotential1913
1913 Science 26 Dec. 936/1 The relation between photo-potentials and frequency.
1924 Jrnl. Physical Chem. 28 333 If the silver iodide coating was not too thick on the electrode he found that the photo-potential was always positive.
2001 Laser Focus World (Nexis) 1 July 155 It produces a photopotential along the length and across the width of the junction.
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