Definition of methacholine in English:

methacholine

noun mɛθəˈkəʊliːn

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, C₈H₁₈ClNO₂.

1940s; earliest use found in Science. From meth- (in methyl: see note s.v. meth-) + -a- connective + choline.

nounmɛθəˈkəʊliːn

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, C₈H₁₈ClNO₂.

1940s; earliest use found in Science. From meth- (in methyl: see note s.v. meth-) + -a- connective + choline.

单词	methacholine
释义	Definition of methacholine in English: methacholine noun mɛθəˈkəʊliːn 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, C₈H₁₈ClNO₂. Origin 1940s; earliest use found in Science. From meth- (in methyl: see note s.v. meth-) + -a- connective + choline. Definition of methacholine in US English: methacholine nounmɛθəˈkəʊliːn 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, C₈H₁₈ClNO₂. Origin 1940s; earliest use found in Science. From meth- (in methyl: see note s.v. meth-) + -a- connective + choline.
随便看	shake something off shake something out shake something out shake something up shake something up shake-spear shakespeare Shakespearean Shakespearean sonnet shakespeares Shakespeare, William shakespearian Shakespearian shakespearians shake sth off shake sth out shake sth up shake the dust off feet shake the dust off one's feet shake the dust off one's feet shake/throw off shake-up shake up shake up shake (up)