saxitoxin

noun
sax·i·tox·in | \ˌsak-sə-ˈtäk-sən \

Definition of saxitoxin 

: a potent nonprotein neurotoxin C10H17N7O4·2HCl that originates especially in dinoflagellates (genera Alexandrium, Gymnodinium, and Pyrodinium) found in red tides and that sometimes occurs in and renders toxic normally edible mollusks which feed on them

Examples of saxitoxin in a Sentence

Recent Examples on the Web

According to Sheffield, three of the walruses had low to moderate levels of saxitoxin, while the fourth one had high levels. Author: Davis Hovey, Anchorage Daily News, "High levels of algae-produced biotoxin found in dead walrus," 11 Dec. 2017 Sheffield says finding saxitoxins in walrus is not new for subsistence hunters in Western Alaska. Author: Davis Hovey, Anchorage Daily News, "High levels of algae-produced biotoxin found in dead walrus," 11 Dec. 2017

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

First Known Use of saxitoxin

1962, in the meaning defined above

History and Etymology for saxitoxin

saxi- (from New Latin Saxidomus giganteus, species of butter clam from which it is isolated) + toxin

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The first known use of saxitoxin was in 1962

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More Definitions for saxitoxin

saxitoxin

noun
saxi·tox·in | \ˌsak-sə-ˈtäk-sən \

Medical Definition of saxitoxin 

: a potent nonprotein neurotoxin C10H17N7O4·2HCl that originates especially in dinoflagellates (as of the genera Alexandrium, Gymnodinium, and Pyrodinium) found in red tides and causes paralytic shellfish poisoning when ingested in contaminated shellfish

More from Merriam-Webster on saxitoxin

Britannica.com: Encyclopedia article about saxitoxin

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