methacholine
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English[edit]
Alternative forms[edit]
Etymology[edit]
From meth(yl) + -a- + choline.
Pronunciation[edit]
- (Received Pronunciation) IPA(key): /mɛθ.əˈkəʊ.liːn/
- (General American) IPA(key): /ˌmɛθ.əˈkoʊˌlin/
Noun[edit]
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-methylcholine, C8H18NO2+.
Derived terms[edit]
Translations[edit]
synthetic choline ester
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References[edit]
- “methacholine”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
- “methacholine”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.