te·​tro·​do·​tox·​in | \ te-ˌtrō-də-ˈtäk-sən How to pronounce tetrodotoxin (audio) \

Definition of tetrodotoxin

: a neurotoxin C11H17N3O8 found especially in puffer fish that blocks nerve conduction by suppressing permeability of the nerve fiber to sodium ions

Examples of tetrodotoxin in a Sentence

Recent Examples on the Web

But the fish’s skin, intestines, ovaries, and liver contain the poison tetrodotoxin, which is 1,200 times deadlier than cyanide. Joseph Hincks, Time, "A Japanese City Activated its Emergency Warning System to Stop Residents Eating Poisonous Pufferfish," 16 Jan. 2018 The tetrodotoxin is up to 1,200 times more poisonous than that of cyanide, and can cause deadening of the tongue and lips, dizziness, vomiting, arrhythmia, difficulty breathing, muscle paralysis and, if left untreated, death. Daniel Jameson, CNT, "The 10 Most Dangerous Animals in the World," 10 July 2017 Steiner hypothesized in a 1995 research paper that the dolphins were consuming minute amounts of tetrodotoxin to get high. National Geographic, "No, Coyotes Don't Get High—But These Animals Do," 24 Feb. 2016 Search [fugu poison] to find that the poison is tetrodotoxin, aka TTX or tetrodox, and is found primarily in the liver of the puffer fish. Ken Denmead, WIRED, "A Google-a-Day Puzzle for Wednesday, Nov. 9," 9 Nov. 2011

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tetrodotoxin.' 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 tetrodotoxin

1911, in the meaning defined above

History and Etymology for tetrodotoxin

International Scientific Vocabulary tetrodo- (from New Latin Tetrodon, genus of tropical marine fishes) + toxin

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Time Traveler for tetrodotoxin

The first known use of tetrodotoxin was in 1911

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More Definitions for tetrodotoxin


te·​tro·​do·​tox·​in | \ te-ˌtrōd-ə-ˈtäk-sən How to pronounce tetrodotoxin (audio) \

Medical Definition of tetrodotoxin

: a neurotoxin C11H17N3O8 that is found especially in pufferfishes and that blocks nerve conduction by suppressing permeability of the nerve fiber to sodium ions

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an act or instance of returning to life

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