Try Our Apps
Dictionary.com

follow Dictionary.com

2017 Word of the Year

photoreaction

[foh-toh-ree-ak-shuh n] /ˌfoʊ toʊ riˈæk ʃən/
noun, Chemistry.
1.
a chemical reaction that involves or requires light.
Origin of photoreaction
1905-1910
First recorded in 1905-10; photo- + reaction
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
photoreaction in Medicine

photoreaction pho·to·re·ac·tion (fō'tō-rē-āk'shən)
n.
A photochemical reaction.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Nearby words for photoreaction

Word Value for photoreaction

0
22
Scrabble Words With Friends