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photoactive

adjective

pho·​to·​ac·​tive -ˈak-tiv How to pronounce photoactive (audio)
: physically or chemically responsive to radiant energy and especially to light
photoactivity
-ak-ˈtiv-ət-ē How to pronounce photoactive (audio)
noun
plural photoactivities

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photoactivation
photoactive
photoaffinity
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Cite this Entry

“Photoactive.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/photoactive. Accessed 1 Dec. 2025.

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