methacholine
/ˌmɛθ.əˈkoʊˌlin/noun
methacholine is spelled M-E-T-H-A-C-H-O-L-I-N-E: 12 letters and 4 syllables. It appears about once in every 74 million words in written English, the 272,462nd most frequent word form (wordfreq, 2021 data). As a noun, methacholine means “A choline derivative with parasympathomimetic activity that can induce bronchoconstriction in asthmatics and is used in tests of airway…” (English Wiktionary, September 2026).
How many letters and syllables are in methacholine?
| Letters | 12: M-E-T-H-A-C-H-O-L-I-N-E |
|---|---|
| Syllables | 4 (from its pronunciation) |
| In writing | about once in every 74 million words; the 272,462nd most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is methacholine?
Methacholine appears about once in every 74 million words in written English, the 272,462nd most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce methacholine?
- UK /mɛθ.əˈkəʊ.liːn/
- US /ˌmɛθ.əˈkoʊˌlin/
Methacholine has 4 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What rhymes with methacholine?
3 words on PlainSpell end in the same sounds as methacholine from its last stressed vowel (/oʊlin/):
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of methacholine
- metacholine
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does methacholine mean?
The meanings the English Wiktionary records, quoted as written there (source below).
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⁺.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does methacholine come from?
From meth(yl) + -a- + choline.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).