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
Parsley Parsley is a good source of vitamin C and carotenoids, antioxidants that give plants their coloring.
—
Lauren Panoff, Verywell Health, 11 Dec. 2025
But processing carotenoids appears to be an evolutionary hurdle that not all birds have jumped and a rather difficult problem to solve.
—David Toews, The Conversation, 11 Dec. 2025
The simulated digestion system showed higher carotenoid availability regardless of whether the kale was raw or cooked and whether the oil was added before or after heating.
—Deirdre Bardolf, FOXNews.com, 10 Dec. 2025
The researchers discovered that there was very little carotenoid absorbed with the raw kale, and cooking the leafy green made absorption even worse.
—Korin Miller, SELF, 9 Dec. 2025
See All Example Sentences for carotenoid
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Lauren Panoff, Verywell Health, 11 Dec. 2025
But processing carotenoids appears to be an evolutionary hurdle that not all birds have jumped and a rather difficult problem to solve.
—David Toews, The Conversation, 11 Dec. 2025
The simulated digestion system showed higher carotenoid availability regardless of whether the kale was raw or cooked and whether the oil was added before or after heating.
—Deirdre Bardolf, FOXNews.com, 10 Dec. 2025
The researchers discovered that there was very little carotenoid absorbed with the raw kale, and cooking the leafy green made absorption even worse.
—Korin Miller, SELF, 9 Dec. 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 22 Dec. 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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