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photobiology

[foh-toh-bahy-ol-uh-jee]
noun
  1. the study of the effects of light on biological systems.
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Origin of photobiology

First recorded in 1930–35; photo- + biology
Related formspho·to·bi·o·log·i·cal [foh-toh-bahy-uh-loj-i-kuh l] /ˌfoʊ toʊˌbaɪ əˈlɒdʒ ɪ kəl/, pho·to·bi·o·log·ic, adjectivepho·to·bi·ol·o·gist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for photo-biology

photobiology

noun
  1. the branch of biology concerned with the effect of light on living organisms
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Derived Formsphotobiological (ˌfəʊtəʊˌbaɪəˈlɒdʒɪkəl), adjectivephotobiologist, noun
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

photo-biology in Medicine

photobiology

(fō′tō-bī-ŏlə-jē)
n.
  1. The study of the effects of light on living organisms and biological processes.
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Related formspho′to•bi′o•logic (-bī′ə-lŏjĭk) null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.