polypeptide
noun
polypeptide is spelled P-O-L-Y-P-E-P-T-I-D-E: 11 letters. 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, polypeptide means “Any polymer of (same or different) amino acids joined via peptide bonds” (English Wiktionary, September 2026). The plural of polypeptide is polypeptides.
How many letters and syllables are in polypeptide?
| Letters | 11: P-O-L-Y-P-E-P-T-I-D-E |
|---|---|
| In writing | about once in every 3 million words; the 47,073rd most frequent word form |
| Wrong spellings searched | none measured in search |
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).
How common is polypeptide?
Polypeptide 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 polypeptide?
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-polypeptide.wav, Wikimedia Commons (author and licence on each file's page).
Forms of polypeptide
- polypeptides plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does polypeptide mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Any polymer of (same or different) amino acids joined via peptide bonds.
- 2
Any such polymer that is not folded into a secondary structure of a protein.
- 3
A small protein containing up to 100 amino acids; see also oligopeptide.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Polypeptide in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | polypeptide |
| Spanish | polipéptido |
| Portuguese | polipeptídeo |
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.
Where does polypeptide come from?
From poly- + peptide.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).