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photodynamics

[foh-toh-dahy-nam-iks]
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noun (used with a singular verb)
  1. the science dealing with light and its effects on living organisms.
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Origin of photodynamics

First recorded in 1885–90; photo- + dynamics
Related formspho·to·dy·nam·ic, pho·to·dy·nam·i·cal, adjectivepho·to·dy·nam·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for photodynamic

photodynamic

adjective
  1. of or concerned with photodynamics
  2. involving or producing an adverse or toxic reaction to light, esp ultraviolet light
  3. med denoting a therapy for cancer in which a cytotoxic drug is activated by a laser beam
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photodynamics

noun
  1. (functioning as singular) the branch of biology concerned with the effects of light on the actions of plants and animals
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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

photodynamic in Medicine

photodynamic

(fō′tō-dī-nămĭk)
adj.
  1. Of or relating to the energy of light.
  2. Enhancing the effects of or inducing a toxic reaction to light, especially to ultraviolet light.
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photodynamics

(fō′tō-dī-nămĭks)
n.
  1. The science that deals with the activating effects of light on living organisms.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

photodynamic in Science

photodynamics

[fō′tō-dī-nămĭks]
  1. The scientific study of the effects of light on organic compounds and on the metabolisms of living things.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.