methacholine
/ˌmɛθ.əˈkoʊˌlin/
Word Rarity
Very rare
Frequency: Zipf frequency 1.13 in modern English
22
Scrabble Score
12
Letters
2
Syllables
10
Unique Chars
Meaning
noun
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⁺.
Uncountable
Etymology
Regional Pronunciation
- American English: /ˌmɛθ.əˈkoʊˌlin/
- British English: /mɛθ.əˈkəʊ.liːn/
Usage
Inflected Forms
Phrases
methacholine chloride