Term: methacholine
IPA: mɛθ.əˈkəʊ.liːn, ˌmɛθ.əˈkoʊˌlin

==English==
[[File:Methacholine.svg|thumb|Chemical structure of '''methacholine''']]
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===Alternative forms===
* {{alter|en|metacholine}}

===Etymology===
From {{af|en|methyl|alt1=meth(yl)|-a-|choline}}.

===Pronunciation===
* {{IPA|en|/mɛθ.əˈkəʊ.liːn/|a=RP}}
* {{IPA|en|/ˌmɛθ.əˈkoʊˌlin/|a=GA}}

===Noun===
{{en-noun|-}}

# {{lb|en|pharmaceutical drug}} A [[choline]] [[derivative]] with [[parasympathomimetic]] activity that can induce [[bronchoconstriction]] in [[asthmatic]]s and is used in