acetylcholine
/əˌsitəlˈkoʊlin/noun
acetylcholine is spelled A-C-E-T-Y-L-C-H-O-L-I-N-E: 13 letters and 5 syllables. It appears about once in every 3 million words in written English, the 47,073rd most frequent word form (wordfreq, 2021 data). As a noun, acetylcholine means “A neurotransmitter in humans and other animals. It is an ester of acetic acid and choline with chemical formula CH₃COOCH₂CH₂N⁺(CH₃)₃” (English Wiktionary, September 2026). The plural of acetylcholine is acetylcholines.
How many letters and syllables are in acetylcholine?
| Letters | 13: A-C-E-T-Y-L-C-H-O-L-I-N-E |
|---|---|
| Syllables | 5 (from its American pronunciation) |
| In writing | about once in every 3 million words; the 47,073rd 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 and the CMU Pronouncing Dictionary; 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 acetylcholine?
Acetylcholine appears about once in every 3 million words in written English, the 47,073rd 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 acetylcholine?
- US /əˌsitəlˈkoʊlin/
Acetylcholine has 5 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Sapaa-acetylcholine.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with acetylcholine?
3 words on PlainSpell end in the same sounds as acetylcholine 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 acetylcholine
- acetylcholines plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does acetylcholine mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A neurotransmitter in humans and other animals. It is an ester of acetic acid and choline with chemical formula CH₃COOCH₂CH₂N⁺(CH₃)₃.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Acetylcholine in Spanish, French, German and Portuguese
In the sense the neurotransmitter compound:
| Language | Words |
|---|---|
| French | acétylcholine |
| German | Azetylcholin |
| Portuguese | acetilcolina |
| Spanish | acetilcolina |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.