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
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?

Origin of photopositive

First recorded in 1910–15; photo- + positive
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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