methacholine

English

Chemical structure of methacholine

Alternative forms

metacholine

Etymology

From meth(yl) +‎ -a- +‎ choline.

Pronunciation

(Received Pronunciation) IPA^(key): /mɛθ.əˈkəʊ.liːn/
(General American) IPA^(key): /ˌmɛθ.əˈkoʊˌlin/

Noun

methacholine (uncountable)

(pharmacology) A choline derivative with parasympathomimetic activity that can induce bronchoconstriction in asthmatics and is used in tests of airway responsiveness; O-acetyl-β-methyl choline, C₈H₁₈NO₂⁺.

Derived terms

methacholine chloride

Translations

synthetic choline ester

Czech: metacholin m

References

“methacholine”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
“methacholine”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

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