photopositive

[ foh-tuh-poz-i-tiv ]
/ ˌfoʊ təˈpɒz ɪ tɪv /

adjective Physics.

pertaining to a substance whose conductivity increases upon absorption of electromagnetic radiation.

QUIZZES

LEARN THE SPANISH WORDS FOR THESE COMMON ANIMALS!

Are you learning Spanish? Or do you just have an interest in foreign languages? Either way, this quiz on Spanish words for animals is for you.
Question 1 of 13
How do you say “cat” 🐈 in Spanish?

Origin of photopositive

First recorded in 1910–15; photo- + positive
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for photopositive

photopositive
/ (ˌfəʊtəʊˈpɒzɪtɪv) /

adjective

physics (of a material) having an electrical conductivity that increases with increasing illumination
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012