photorespiration

noun
pho·​to·​res·​pi·​ra·​tion | \ ˌfō-tō-ˌre-spə-ˈrā-shən How to pronounce photorespiration (audio) \

Definition of photorespiration

: a light-dependent process in some plants resulting in the oxidation of glycolic acid and release of carbon dioxide that under some environmental conditions (such as high temperature) tends to inhibit photosynthesis

Examples of photorespiration in a Sentence

Recent Examples on the Web These new methods of photorespiration use alternate sets of promoters and genes, allowing plants to achieve the same results while expending far less energy. David Grossman, Popular Mechanics, 4 Jan. 2019

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

First Known Use of photorespiration

1945, in the meaning defined above

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The first known use of photorespiration was in 1945

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Dictionary Entries Near photorespiration

photoresistive

photorespiration

photoroentgen

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Cite this Entry

“Photorespiration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photorespiration. Accessed 11 Aug. 2022.

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More from Merriam-Webster on photorespiration

Britannica.com: Encyclopedia article about photorespiration

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