my·​co·​tox·​in | \ ˌmī-kə-ˈtäk-sən How to pronounce mycotoxin (audio) \

Definition of mycotoxin

: a toxic substance produced by a fungus and especially a mold

Examples of mycotoxin in a Sentence

Recent Examples on the Web Colorado for instance, on Sunday will start requiring testing for potentially harmful mycotoxins produced by fungal infections on plants, more than four years after voters approved legal pot there. Trevor Hughes, USA TODAY, "Pick up a joint instead, doc says: Vaping illnesses highlight flawed marijuana regulations," 13 Sep. 2019 Labs run several tests to detect bacteria, mycotoxins from mold, heavy metals, and pesticide and fertilizer residue. Jackie Borchardt,, "See inside an Ohio medical marijuana testing lab," 4 June 2019 Some food writers go so far as to say that mycotoxin-free coffee isn't worth the price. Anne Nickoloff,, "Organic, toxin-free TownHall coffee brand to be released this fall," 16 Oct. 2017 The more insidious and ubiquitous molds, though, produce no acutely dangerous mycotoxins but can still trigger inflammatory reactions, allergies, and asthma. James Hamblin, The Atlantic, "The Looming Consequences of Breathing Mold," 30 Aug. 2017

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

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First Known Use of mycotoxin

1962, in the meaning defined above

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Time Traveler

The first known use of mycotoxin was in 1962

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Cite this Entry

“Mycotoxin.” Dictionary, Merriam-Webster, Accessed 10 Apr. 2021.

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More Definitions for mycotoxin


my·​co·​tox·​in | \ -ˈtäk-sən How to pronounce mycotoxin (audio) \

Medical Definition of mycotoxin

: a poisonous substance produced by a fungus and especially a mold — see aflatoxin

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