tetrodotoxin

play
noun te·tro·do·tox·in \te-ˌtrō-də-ˈtäk-sən\

Definition of tetrodotoxin

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

Recent Examples of tetrodotoxin from the Web

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.

Origin and Etymology of tetrodotoxin

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


First Known Use: 1911


Medical Dictionary

tetrodotoxin

play
noun te·tro·do·tox·in \te-ˌtrōd-ə-ˈtäk-sən\

Medical Definition of tetrodotoxin

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


Seen and Heard

What made you want to look up tetrodotoxin? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

clear to the understanding

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • istock-refers-to-this-as-a-tumble-of-strawberries-which-sounded-pretty-nice-to-us
  • Which is a synonym of garner?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!