carotenoid

noun

ca·​rot·​en·​oid kə-ˈrä-tə-ˌnȯid How to pronounce carotenoid (audio)
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 Other antioxidants present in aloe vera include carotenoids and polyphenols.6 The antioxidants present in aloe vera may protect human cells from damage. Elizabeth Barnes, Verywell Health, 10 Sep. 2024 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. Ahjané Forbes, USA TODAY, 7 Sep. 2024 Spinach is full of phytochemicals, including the carotenoids lutein and zeaxanthin, which are known for supporting eye health. Jamie Johnson, Verywell Health, 15 Aug. 2024 Antioxidants called carotenoids, for example, help protect against cancer. Matt Fuchs, TIME, 15 Aug. 2024 See all Example Sentences for carotenoid 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'carotenoid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1911, in the meaning defined above

Time Traveler
The first known use of carotenoid was in 1911

Dictionary Entries Near carotenoid

Cite this Entry

“Carotenoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carotenoid. Accessed 20 Sep. 2024.

Medical 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

More from Merriam-Webster on carotenoid

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