phototoxic

adjective
pho·​to·​tox·​ic | \ ˌfō-tō-ˈtäk-sik How to pronounce phototoxic (audio) \

Definition of phototoxic

1 : rendering the skin susceptible to damage (such as sunburn or blisters) upon exposure to light and especially ultraviolet light phototoxic antibiotics
2 : induced by a phototoxic substance

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Other Words from phototoxic

phototoxicity \ ˌfō-​tō-​täk-​ˈsi-​sə-​tē How to pronounce phototoxicity (audio) \ noun

Examples of phototoxic in a Sentence

Recent Examples on the Web And then there's the more common ruta graveolens, a phototoxic plant with sap that can make your hands blister in bright sunlight, and so on and so on. Darren Orf, Popular Mechanics, "Take a Tour of the Poison Garden, Where Plants Can Kill," 30 May 2017

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

First Known Use of phototoxic

1931, in the meaning defined at sense 1

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Time Traveler for phototoxic

Time Traveler

The first known use of phototoxic was in 1931

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Cite this Entry

“Phototoxic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phototoxic. Accessed 8 Aug. 2020.

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More Definitions for phototoxic

phototoxic

adjective
pho·​to·​tox·​ic | \ ˌfōt-ō-ˈtäk-sik How to pronounce phototoxic (audio) \

Medical Definition of phototoxic

1 : rendering the skin susceptible to damage (as sunburn or blisters) upon exposure to light and especially ultraviolet light phototoxic antibiotics a phototoxic topical agent
2 : induced by a phototoxic substance a phototoxic response

Other Words from phototoxic

phototoxicity \ -​täk-​ˈsis-​ət-​ē How to pronounce phototoxicity (audio) \ noun, plural phototoxicities

Comments on phototoxic

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