Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

muscarine

play
noun mus·ca·rine \ˈməs-kə-ˌrēn\

Definition of muscarine

  1. :  a toxic alkaloid base [C9H20NO2]+ that is biochemically related to acetylcholine, is found especially in fly agaric, and acts directly on smooth muscle



Origin of muscarine

German Muskarin, from New Latin (Amanita) muscaria fly agaric


First Known Use: 1872


Medical Dictionary

muscarine

play
noun mus·ca·rine \ˈməs-kə-ˌrēn\

Medical Definition of muscarine

  1. :  a toxic ammonium base [C9H20NO2]+ that is biochemically related to acetylcholine, was originally extracted from fly agaric but also occurs in other mushrooms (as of the genus Inocybe), and when ingested produces symptoms of parasympathetic nervous system stimulation (as excessive salivation, lacrimation, bronchial secretion, diarrhea, miosis, and bradycardia)




Learn More about muscarine


Seen and Heard

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

WORD OF THE DAY

to dishevel or rumple

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

disapprove reduce soothe perplex
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ