serine
/ˈsɪə(ɹ)iːn/noun
serine is spelled S-E-R-I-N-E: 6 letters. It appears about once in every 2 million words in written English, the 44,767th most frequent word form (wordfreq, 2021 data). As a noun, serine means “A nonessential amino acid, CH₂OH.CH(NH₂)COOH, found in most animal proteins, notably silk” (English Wiktionary, September 2026). The plural of serine is serines.
How many letters and syllables are in serine?
| Letters | 6: S-E-R-I-N-E |
|---|---|
| In writing | about once in every 2 million words; the 44,767th most frequent word form |
| Wrong spellings searched | none measured in search |
| Same letters |
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 serine?
Serine appears about once in every 2 million words in written English, the 44,767th 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 serine?
- /ˈsɪə(ɹ)iːn/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Tesco250-serine.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with serine?
No other word on PlainSpell ends in the same sounds as serine.
Spelled with the same letters in another order: seiner, sirene.
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 serine
- serines plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does serine mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A nonessential amino acid, CH₂OH.CH(NH₂)COOH, found in most animal proteins, notably silk.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Serine in Spanish, French, German and Portuguese
In the sense nonessential amino acid; CH2OH.CH(NH2)COOH:
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 serine come from?
From Latin sericus (“silken”). The compound was first obtained from silk protein, a particularly rich source, in 1865. See also serge.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).