Meaning of photoconductivity

pho•to•con•duc•tiv•i•ty

Pronunciation: (fō"tō-kon"duk-tiv'i-tē), [key]
— n. Physics.
  1. the increase in the electrical conductivity of a substance, often nonmetallic, caused by the absorption of electromagnetic radiation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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