taurine

1 of 2

adjective

tau·​rine ˈtȯ-ˌrīn How to pronounce taurine (audio)
: of or relating to a bull : bovine

taurine

2 of 2

noun

tau·​rine ˈtȯ-ˌrēn How to pronounce taurine (audio)
: 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

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
For this reason, people taking blood pressure medications should check with their healthcare provider before taking taurine supplements. Jillian Kubala, Rd, Health, 5 Nov. 2024 When shopping for taurine supplements, read product labels carefully and avoid supplements that contain ingredients that may not be safe for you. Jillian Kubala, Rd, Health, 5 Nov. 2024
Noun
Cats cannot manufacture taurine, an essential amino acid, and must obtain it from eating meat. Matt Robison, Newsweek, 19 Feb. 2025 The ink, a dark mixture rich in melanin and amino acids such as taurine, acts as more than just a visual smokescreen. Melissa Cristina Marquez, Forbes, 12 Jan. 2025 See All Example Sentences for taurine

Word History

Etymology

Adjective

Latin taurinus, from taurus bull; akin to Greek tauros bull, Middle Irish tarb

Noun

International Scientific Vocabulary, from Latin taurus; from its having been discovered in ox bile

First Known Use

Adjective

1613, in the meaning defined above

Noun

1845, in the meaning defined above

Time Traveler
The first known use of taurine was in 1613

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Cite this Entry

“Taurine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/taurine. Accessed 3 Mar. 2025.

Medical Definition

taurine

noun
tau·​rine ˈtȯ-ˌrēn How to pronounce taurine (audio)
: 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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