Meanings
nounmethacholine (uncountable)
alternative metacholine
- uncountablemedicineA choline derivative with parasympathomimetic activity that can induce bronchoconstriction in asthmatics and is used in tests of airway responsiveness; O-acetyl-β-methylcholine, C₈H₁₈NO₂⁺.
Synonyms & antonyms
nounparasympathomimetic drug (trademark Mecholyl) that stimulates secretions and smooth muscle activity
Similar
Mecholyl
Broader
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Translations
Czech metacholin
- metacholinsynthetic choline ester
Cite this entry
APA
methacholine. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/methacholine
MLA
“methacholine.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/methacholine. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “methacholine,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/methacholine.
Source: methacholine on Wiktionary, CC BY-SA 4.0.