cystine
/ˈsɪs.tiːn/noun
cystine is spelled C-Y-S-T-I-N-E: 7 letters. It appears about once in every 15 million words in written English, the 117,098th most frequent word form (wordfreq, 2021 data). As a noun, cystine means “A nonessential amino acid formed by the oxidation of cysteine; it contains two cysteine residues linked by a disulfide bond” (English Wiktionary, September 2026). The plural of cystine is cystines.
How many letters and syllables are in cystine?
| Letters | 7: C-Y-S-T-I-N-E |
|---|---|
| In writing | about once in every 15 million words; the 117,098th most frequent word form |
| Wrong spellings searched | none measured in search |
| Sounds like |
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 cystine?
Cystine appears about once in every 15 million words in written English, the 117,098th 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 cystine?
- /ˈsɪs.tiːn/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Words people confuse with cystine
Sounds like: Sistine (Wiktionary's homophone list; some hold only in some accents).
Sources: English Wiktionary (homophones, alternative spellings).
Forms of cystine
- cystines plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does cystine mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A nonessential amino acid formed by the oxidation of cysteine; it contains two cysteine residues linked by a disulfide bond.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Cystine in Spanish, French, German and Portuguese
In the sense a nonessential amino acid:
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 cystine come from?
From Ancient Greek κύστις (kústis, “bladder”), where it was found.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).