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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Apricots are seasonal in the spring and summer and contain phenolic and carotenoid compounds that act as antioxidants. Brittany Lubeck, Verywell Health, 22 July 2026 Oral sunscreens generally contain a blend of vitamins, minerals, carotenoids (pigments), and polyphenols (plant compounds). Kristen Fischer, Health, 22 July 2026 Fruit juice also holds on to phytochemicals from the original fruit, including flavonoids, polyphenols, anthocyanins (especially in grape and cherry juice) and carotenoids (especially in orange juice). Lauren Jarvis-Gibson july 21, Charlotte Observer, 21 July 2026 Juice also retains many of the phytochemicals found in whole fruit, including flavonoids, polyphenols, anthocyanins (especially in grape and cherry juice) and carotenoids (especially in orange juice). Lauren Jarvis-Gibson july 21, Sacbee.com, 21 July 2026 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 Aug. 2026.

Medical Definition

carotenoid

noun
ca·​rot·​en·​oid
: 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

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