bio·​tox·​in | \ ˈbī-ō-ˌtäk-sən How to pronounce biotoxin (audio) \

Definition of biotoxin

: a toxic substance of biological origin

Examples of biotoxin in a Sentence

Recent Examples on the Web In 1991, Frank Cox, a biotoxin coordinator for the Washington State Department of Health, went digging for razor clams. Sara Harrison, Wired, 23 Dec. 2020 When consumed the biotoxin can cause paralytic shellfish poisoning that affects the central nervous system. Kimberly Cauvel, The Seattle Times, 29 Aug. 2019 Due to the growing presence of a marine biotoxin, shellfish harvesting is closed throughout Skagit County. Kimberly Cauvel, The Seattle Times, 29 Aug. 2019 Aquarium officials sent water samples to the National Oceanic and Atmospheric Administration Office of Coastal Studies for a biotoxin analysis. Alejandro Serrano,, 9 Aug. 2019 Additional information can be found on the agency’s marine biotoxin monitoring web page. Jaime Welton, The Mercury News, 22 June 2019 Washington state has banned shellfish harvesting in the waterway between Vashon and Maury island after high levels of biotoxins were discovered in the shellfish. Alexandra Deabler, Fox News, 30 Aug. 2018 Saxitoxin is a biotoxin produced by algae and is potentially a poisonous substance. Author: Davis Hovey, Anchorage Daily News, 11 Dec. 2017 Before heading to a beach, call the marine biotoxin hotline at 800-562-5632 or visit the website at Mark Yuasa, The Seattle Times, 25 May 2017 See More

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

First Known Use of biotoxin

1898, in the meaning defined above

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The first known use of biotoxin was in 1898

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Cite this Entry

“Biotoxin.” Dictionary, Merriam-Webster, Accessed 11 Aug. 2022.

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More Definitions for biotoxin


bio·​tox·​in | \ ˈbī-ō-ˌtäk-sən How to pronounce biotoxin (audio) \

Medical Definition of biotoxin

: a toxic substance of biological origin

More from Merriam-Webster on biotoxin Encyclopedia article about biotoxin


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