light reaction

noun

: the phase of photosynthesis that requires the presence of light and that involves photophosphorylation

Examples of light reaction in a Sentence

Recent Examples on the Web Visitors have the chance to kayak, and are also encouraged to swim and splash around in the water in order to trigger the light reactions. Sunset, 22 Jan. 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'light reaction.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1925, in the meaning defined above

Time Traveler
The first known use of light reaction was in 1925

Dictionary Entries Near light reaction

Cite this Entry

“Light reaction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20reaction. Accessed 22 Apr. 2024.

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