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phototoxin

[ foh-tuh-tok-sin ]
/ ˈfoʊ təˌtɒk sɪn /
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noun
Biochemistry. a plant toxin causing an allergic reaction when touched or eaten by a susceptible person or animal subsequently exposed to sunlight.
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Origin of phototoxin

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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