carotenoid
noun
ca·rot·en·oid
kə-ˈrä-tə-ˌnȯid 
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
Sweet potatoes get their bright orange hue from carotenoids, like beta-carotene, which have potent cellular-protective effects.
—
Jillian Kubala, Health, 25 Sep. 2025
Loaded with beta-carotene and other carotenoids that convert to vitamin A, far outpacing zucchini.
—Morgan Pearson, Verywell Health, 24 Sep. 2025
Its soft, red pulp is extremely high in carotenoids (especially lycopene and beta-carotene) and lutein and zeaxanthin.
—New Atlas, 23 Sep. 2025
Chlorophyll gives leaves a green color, so when these pigments are not visible, carotenoids, which produce yellow orange and brown colors, show through, according to the Virginia Department of Forestry.
—Elissa Robinson, Freep.com, 22 Sep. 2025
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Jillian Kubala, Health, 25 Sep. 2025
Loaded with beta-carotene and other carotenoids that convert to vitamin A, far outpacing zucchini.
—Morgan Pearson, Verywell Health, 24 Sep. 2025
Its soft, red pulp is extremely high in carotenoids (especially lycopene and beta-carotene) and lutein and zeaxanthin.
—New Atlas, 23 Sep. 2025
Chlorophyll gives leaves a green color, so when these pigments are not visible, carotenoids, which produce yellow orange and brown colors, show through, according to the Virginia Department of Forestry.
—Elissa Robinson, Freep.com, 22 Sep. 2025
See All Example Sentences for carotenoid
Cite this Entry
“Carotenoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carotenoid. Accessed 6 Oct. 2025.
Copy CitationMedical 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
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