carotenoid

noun

ca·​rot·​en·​oid kə-ˈrä-tə-ˌnȯid How to pronounce carotenoid (audio)
variants or less commonly carotinoid
: any of various usually yellow to red pigments (such as carotenes) found widely in plants and animals and characterized chemically by a long aliphatic polyene chain composed of eight isoprene units
carotenoid adjective

Examples of carotenoid in a Sentence

Recent Examples on the Web
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The second is Mosaic, which is a mix of carotenoids, most importantly lycopene, which can increase collagen production and reduce collagen breakdown. Megan McIntyre, Allure, 26 Feb. 2025 Lutein and Zeaxanthin Lutein and zeaxanthin are both types of carotenoids related to beta carotene and vitamin A. Melissa Nieves, Verywell Health, 11 Feb. 2025 Sweet Potatoes Sweet potatoes' health benefits primarily come from plant pigments like carotenoids (in yellow potatoes) and anthocyanins (in purple potatoes). Johna Burdeos, Health, 8 Jan. 2025 Chlorophyll gives leaves a green color, so when these pigments are not visible, carotenoids, which produce yellow orange and brown colors, show through, the Virginia Department of Forestry explains. Alexis Simmerman, Austin American-Statesman, 30 Sep. 2024 See All Example Sentences for carotenoid

Word History

First Known Use

1911, in the meaning defined above

Time Traveler
The first known use of carotenoid was in 1911

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Cite this Entry

“Carotenoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carotenoid. Accessed 1 Mar. 2025.

Medical Definition

carotenoid

noun
ca·​rot·​en·​oid
variants also carotinoid
: any of various usually yellow to red pigments (as carotenes) found widely in plants and animals and characterized chemically by a long aliphatic polyene chain composed of eight isoprene units
carotenoid adjective

More from Merriam-Webster on carotenoid

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