English Explanatory Dictionary

methacholine

English dictionary entry

Meanings

noun
  1. 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⁺.

Pronunciation

/mɛθ.əˈkəʊ.liːn/ /ˌmɛθ.əˈkoʊˌlin/

Word forms

methacholine metacholine

Etymology

From meth(yl) + -a- + choline.

Derived words

methacholine chloride
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