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
Load up on Leafy Greens: Include leafy greens, which are rich in folate, vitamin E and carotenoids.
—
Emily Cegielski, Flow Space, 22 Jan. 2025
The ones that come in the punchiest colors—dark leafy greens, berries, apples, tomatoes, carrots—are especially loaded with phytochemicals (a.k.a. plant chemicals) like polyphenols and carotenoids, which are powerhouse antioxidants.
—Erica Sloan, SELF, 18 Dec. 2024
The enzyme that converts the carotenoids from the birds’ diet into the red that is seen on feathers was likely not present.
—Laura Baisas, Popular Science, 9 Jan. 2025
Specifically, astaxanthin – a red carotenoid pigment that naturally occurs in marine life like algae – may be effective in treating psychiatric disorders, according to Frontiers in Pharmacology.
—Amiah Taylor, Discover Magazine, 25 Dec. 2024
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Emily Cegielski, Flow Space, 22 Jan. 2025
The ones that come in the punchiest colors—dark leafy greens, berries, apples, tomatoes, carrots—are especially loaded with phytochemicals (a.k.a. plant chemicals) like polyphenols and carotenoids, which are powerhouse antioxidants.
—Erica Sloan, SELF, 18 Dec. 2024
The enzyme that converts the carotenoids from the birds’ diet into the red that is seen on feathers was likely not present.
—Laura Baisas, Popular Science, 9 Jan. 2025
Specifically, astaxanthin – a red carotenoid pigment that naturally occurs in marine life like algae – may be effective in treating psychiatric disorders, according to Frontiers in Pharmacology.
—Amiah Taylor, Discover Magazine, 25 Dec. 2024
See all Example Sentences for carotenoid
Dictionary Entries Near carotenoid
Cite this Entry
“Carotenoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carotenoid. Accessed 6 Feb. 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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