Dictionary.com

photopositive

[ foh-tuh-poz-i-tiv ]
/ ˌfoʊ təˈpɒz ɪ tɪv /
Save This Word!

adjective Physics.
pertaining to a substance whose conductivity increases upon absorption of electromagnetic radiation.
QUIZ
QUIZ YOURSELF ON AFFECT VS. EFFECT!
In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of photopositive

First recorded in 1910–15; photo- + positive
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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
FEEDBACK