: a crystalline acid C2H7NO3S that is synthesized in the body from cysteine and methionine, is similar to amino acids but is not a component of proteins, and is involved in various physiological functions (such as bile acid conjugation and cell membrane stabilization)
Examples of taurine in a Sentence
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Moná Thomas, PEOPLE, 26 Dec. 2025
Niacinamide and taurine work in tandem to help soothe and fortify the skin barrier, while multiple forms of vitamin C promote a brighter, more luminous complexion without that sticky texture commonly associated with vitamin C serums.
—Emily Orofino, Vogue, 19 Nov. 2025
Jillian Kubala, Health, 31 Dec. 2025
It’s called taurine because the compound was first isolated from bull bile in 1827.
—Scott Lafee, San Diego Union-Tribune, 30 Dec. 2025
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Adjective
There’s zero sugar, no sucralose, aspartame, taurine, artificial colors or dyes, and just 5 calories per can.
—Moná Thomas, PEOPLE, 26 Dec. 2025
Niacinamide and taurine work in tandem to help soothe and fortify the skin barrier, while multiple forms of vitamin C promote a brighter, more luminous complexion without that sticky texture commonly associated with vitamin C serums.
—Emily Orofino, Vogue, 19 Nov. 2025
Noun
Scallops Scallops are a source of lean protein and high in the amino acids taurine and glycine.
—Jillian Kubala, Health, 31 Dec. 2025
It’s called taurine because the compound was first isolated from bull bile in 1827.
—Scott Lafee, San Diego Union-Tribune, 30 Dec. 2025
See All Example Sentences for taurine
Cite this Entry
“Taurine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/taurine. Accessed 2 Jan. 2026.
Copy CitationMedical Definition
taurine
noun
tau·rine
ˈtȯ-ˌrēn 
: a colorless crystalline acid C2H7NO3S that is synthesized in the body from cysteine and methionine, is similar to amino acids but is not a component of proteins, and is involved in various physiological functions (as bile acid conjugation and cell membrane stabilization)
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