[ foh-toh-dahy-nam-iks ]
/ ˌfoʊ toʊ daɪˈnæm ɪks /
noun (used with a singular verb)
the science dealing with light and its effects on living organisms.
CAN YOU ACE THIS QUIZ ABOUT “COMPLIMENT” VS. “COMPLEMENT”?
Take this quiz to see if you really know the difference between “compliment” and “complement"!
Question 1 of 11
“Compliment” and “complement” had a shared meaning a long time ago, but today they are no longer interchangeable.
OTHER WORDS FROM photodynamicspho·to·dy·nam·ic, pho·to·dy·nam·i·cal, adjectivepho·to·dy·nam·i·cal·ly, adverb
Words nearby photodynamics
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for photodynamic (1 of 2)
/ (ˌfəʊtəʊdaɪˈnæmɪk) /
of or concerned with photodynamics
involving or producing an adverse or toxic reaction to light, esp ultraviolet light
med denoting a therapy for cancer in which a cytotoxic drug is activated by a laser beam
British Dictionary definitions for photodynamic (2 of 2)
/ (ˌfəʊtəʊdaɪˈnæmɪks) /
(functioning as singular) the branch of biology concerned with the effects of light on the actions of plants and animals
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
Medical definitions for photodynamic (1 of 2)
[ fō′tō-dī-năm′ĭk ]
Of or relating to the energy of light.
Enhancing the effects of or inducing a toxic reaction to light, especially to ultraviolet light.
Medical definitions for photodynamic (2 of 2)
[ fō′tō-dī-năm′ĭks ]
The science that deals with the activating effects of light on living organisms.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for photodynamic
[ fō′tō-dī-năm′ĭks ]
The scientific study of the effects of light on organic compounds and on the metabolisms of living things.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.