photo electricity

photoelectricity

[foh-toh-i-lek-tris-i-tee, -ee-lek-]
noun Physics.
1.
electricity induced by electromagnetic radiation, as in certain processes, as the photoelectric and photovoltaic effects, photoconductivity, and photoionization.
2.
the branch of physics that deals with these phenomena.

Origin:
1875–80; photo- + electricity

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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