methacholine

noun
metha·​cho·​line | \ ˌmeth-ə-ˈkō-ˌlēn How to pronounce methacholine (audio) \

Medical Definition of methacholine

: a parasympathomimetic drug administered in the form of its crystalline chloride C8H18ClNO2 especially to diagnose hypersensitivity of the bronchial air passages (as in asthma) — see mecholyl, provocholine

Comments on methacholine

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

WORD OF THE DAY

not constant or steady

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

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!