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
Butternut squash is a concentrated source of antioxidants, including carotenoids and vitamin C, which may help protect against certain types of cancer.
—
Lindsey Desoto, Health, 24 Apr. 2025
The carotenoids in spinach are anti-inflammatory and help support cell function and good vision.
—Tom Gavin, EverydayHealth.com, 23 Apr. 2025
The carotenoids in pistachios reduce oxidative stress, and the fiber and fats in pistachios benefit nutrient absorption and, possibly, gut health.
—Hannah Coakley, Msph, Rdn, Verywell Health, 10 Apr. 2025
Oral sunscreens typically contain a mix of vitamins, minerals, carotenoids (pigments), and polyphenols (plant compounds).
—Kristen Fischer, Health, 8 Apr. 2025
See All Example Sentences for carotenoid
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Lindsey Desoto, Health, 24 Apr. 2025
The carotenoids in spinach are anti-inflammatory and help support cell function and good vision.
—Tom Gavin, EverydayHealth.com, 23 Apr. 2025
The carotenoids in pistachios reduce oxidative stress, and the fiber and fats in pistachios benefit nutrient absorption and, possibly, gut health.
—Hannah Coakley, Msph, Rdn, Verywell Health, 10 Apr. 2025
Oral sunscreens typically contain a mix of vitamins, minerals, carotenoids (pigments), and polyphenols (plant compounds).
—Kristen Fischer, Health, 8 Apr. 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 1 May. 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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