photoconductivity

[ foh-toh-kon-duhk-tiv-i-tee ]

noun

, Physics.

1. the increase in the electrical conductivity of a substance, often nonmetallic, caused by the absorption of electromagnetic radiation.

photoconductivity

/ ˌfəʊtəʊkənˈdʌktɪv; ˌfəʊtəʊˌkɒndʌkˈtɪvɪtɪ /

noun

1. the change in the electrical conductivity of certain substances, such as selenium, as a result of the absorption of electromagnetic radiation

Derived Forms

• photoconductive, adjective
• ˌphotoconˈductor, noun

Word History and Origins

Origin of photoconductivity¹

First recorded in 1925–30; photo- + conductivity