pho·​to·​mor·​pho·​gen·​e·​sis ˌfō-tō-ˌmȯr-fə-ˈje-nə-səs How to pronounce photomorphogenesis (audio)
: plant morphogenesis controlled by radiant energy (such as light)
photomorphogenic adjective

Example Sentences

Recent Examples on the Web Her research was in photomorphogenesis, which is the influence of light on plant growth. Los Angeles Times, 26 Feb. 2022

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

Word History


New Latin

First Known Use

1957, in the meaning defined above

Time Traveler
The first known use of photomorphogenesis was in 1957

Dictionary Entries Near photomorphogenesis

Cite this Entry

“Photomorphogenesis.” Dictionary, Merriam-Webster, Accessed 25 Mar. 2023.

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