cystéine
French, noun/sis.te.in/
cystéine is spelled C-Y-S-T-É-I-N-E (8 letters) and appears about once in every 11 million words in written French, the 109,514th most frequent French word form (wordfreq, 2021 data). Cystéine is a French feminine noun meaning “cysteine” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Acide aminé dont la chaîne latérale (-CH2-SH) un groupement sulfhydryle (ou thiol), capable de former des…”.
What does cystéine mean in English?
noun
- 1
femininecysteine
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. Acide aminé dont la chaîne latérale (-CH2-SH) un groupement sulfhydryle (ou thiol), capable de former des ponts disulfure.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of cystéine
- cystéines plural
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce cystéine?
- /sis.te.in/
- \sis.te.in\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to cystéine
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is cystéine in French?
cystéine appears about once in every 11 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).