mycotoxin

noun

my·​co·​tox·​in ˌmī-kə-ˈtäk-sən How to pronounce mycotoxin (audio)
: a toxic substance produced by a fungus and especially a mold

Examples of mycotoxin in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
To my surprise, my mycotoxin levels were through the roof. — Alyce Collins, MSNBC Newsweek, 10 Aug. 2025 Some molds may also produce mycotoxins, compounds that can cause illness if consumed. — Anne Wolf, Martha Stewart, 1 Mar. 2026 Some types of mold can even release potentially toxic substances known as mycotoxins. — Molly Burford, Southern Living, 5 Feb. 2026 Eating foods with high levels of mycotoxins can lead to immune suppression, nerve damage, headache, fever and nausea. — Saleen Martin, USA Today, 18 Feb. 2026 See All Example Sentences for mycotoxin

Word History

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of mycotoxin was in 1962

Rhymes for mycotoxin

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Browse Nearby Words

mycotic pneumonia
mycotoxin
mycotrophic
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Cite this Entry

“Mycotoxin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mycotoxin. Accessed 8 Jul. 2026.

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Medical Definition

mycotoxin

noun
my·​co·​tox·​in -ˈtäk-sən How to pronounce mycotoxin (audio)
: a poisonous substance produced by a fungus and especially a mold see aflatoxin

More from Merriam-Webster on mycotoxin

Britannica.com: Encyclopedia article about mycotoxin

Last Updated: - Updated example sentences
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