methacholine

noun

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

Dictionary Entries Near methacholine

Cite this Entry

“Methacholine.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/methacholine. Accessed 27 Dec. 2024.

Love words? Need even more definitions?

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