pho·​to·​bi·​ol·​o·​gy | \ ˌfō-tō-(ˌ)bī-ˈä-lə-jē How to pronounce photobiology (audio) \

Definition of photobiology

: a branch of biology that deals with the effects on living organisms of radiant energy (such as light)

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Other Words from photobiology

photobiological \ ˌfō-​tō-​ˌbī-​ə-​ˈlä-​ji-​kəl How to pronounce photobiological (audio) \ or less commonly photobiologic \ ˌfō-​tō-​ˌbī-​ə-​ˈlä-​jik How to pronounce photobiologic (audio) \ adjective
photobiologist \ ˌfō-​tō-​(ˌ)bī-​ˈä-​lə-​jist How to pronounce photobiologist (audio) \ noun

Examples of photobiology in a Sentence

Recent Examples on the Web

Antony Young, emeritus professor of experimental photobiology at King's College London, warns that most of the damage caused by ultraviolet radiation is not visible to the naked eye. Nina Avramova, CNN, "How your health is at risk during a heatwave," 28 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'photobiology.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of photobiology

1923, in the meaning defined above

History and Etymology for photobiology

International Scientific Vocabulary

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Statistics for photobiology

Last Updated

13 Jul 2019

Look-up Popularity

Time Traveler for photobiology

The first known use of photobiology was in 1923

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More Definitions for photobiology


pho·​to·​bi·​ol·​o·​gy | \ ˌfōt-ō-(ˌ)bī-ˈäl-ə-jē How to pronounce photobiology (audio) \
plural photobiologies

Medical Definition of photobiology

: a branch of biology that deals with the effects of radiant energy (as light) on living things

Other Words from photobiology

photobiological \ -​ˌbī-​ə-​ˈläj-​i-​kəl How to pronounce photobiological (audio) \ also photobiologic \ -​ik How to pronounce photobiologic (audio) \ adjective

Comments on photobiology

What made you want to look up photobiology? Please tell us where you read or heard it (including the quote, if possible).


a period when something is suspended

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