Word Pronunciation & Dictionary

methacholine

/ˌmɛθ.əˈkoʊˌlin/

Word Rarity Very rare

Frequency: Zipf frequency 1.13 in modern English

Syllables
metha-choline
IPA
/ˌmɛθ.əˈkoʊˌlin/
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

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

Regional Pronunciation

  • American English: /ˌmɛθ.əˈkoʊˌlin/
  • British English: /mɛθ.əˈkəʊ.liːn/

Usage

Inflected Forms

Phrases

methacholine chloride

Synonyms

Questions

How do you pronounce methacholine?
The recorded pronunciation is /ˌmɛθ.əˈkoʊˌlin/.
What does methacholine mean?
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⁺.
Where does methacholine come from?
From meth(yl) + -a- + choline.

How to pronounce methacholine

  1. Open the pronunciation page — Open the Speakur entry for “methacholine”.
  2. Read the phonetic spelling — Read the IPA spelling (/ˌmɛθ.əˈkoʊˌlin/) so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “methacholine”.
  4. Repeat and practice — Say “methacholine” aloud, matching stress and vowels until it feels natural.