cysteine

noun

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cys·te·ine | \ ˈsi-stə-ˌēn

Definition of cysteine

: a crystalline sulfur-containing amino acid C₃H₇NO₂S readily oxidizable to cystine

Examples of cysteine in a Sentence

Recent Examples on the Web The new treatment is an inexpensive, over-the-counter supplement called N-acetyl cysteine, or NAC, that is widely available. — Cezary Podkul, WSJ, 28 Dec. 2020 The researchers received funding from Catapult Cat Oy, which sells the L-cysteine supplements. — Andrew Stuttaford, National Review, 20 Aug. 2020 The subjects were then asked to swallow placebo or L-cysteine tablets containing vitamin supplements. — BostonGlobe.com, 19 Aug. 2020 The researchers received funding from Catapult Cat Oy, which sells the L-cysteine supplements. — Andrew Stuttaford, National Review, 20 Aug. 2020 The researchers received funding from Catapult Cat Oy, which sells the L-cysteine supplements. — Andrew Stuttaford, National Review, 20 Aug. 2020 The researchers received funding from Catapult Cat Oy, which sells the L-cysteine supplements. — Andrew Stuttaford, National Review, 20 Aug. 2020 That amino acid is supposed to be cysteine, and has been in all humans examined to this point. — Mark Johnson And Kathleen Gallagher, Milwaukee Journal Sentinel, 21 Dec. 2010 The researchers received funding from Catapult Cat Oy, which sells the L-cysteine supplements. — Andrew Stuttaford, National Review, 20 Aug. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cysteine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.