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

Also known as sour tea, hibiscus tea is rich in antioxidants, including vitamin C, carotenoids, and anthocyanins. —Jillian Kubala, Health, 19 Oct. 2025

Each one delivers a range of vitamins and minerals, including vitamin C, vitamin A (from carotenoids like beta-carotene), folate and smaller amounts of manganese and vitamin K. —Daryl Austin, USA Today, 16 Oct. 2025

Japanese Sweet Potato May Have More Antioxidants Like other types of sweet potatoes, the Japanese sweet potato is packed with antioxidants, such as polyphenols and carotenoids. —Sarah Bence, Verywell Health, 2 Oct. 2025

Its soft, red pulp is extremely high in carotenoids (especially lycopene and beta-carotene) and lutein and zeaxanthin. —New Atlas, 23 Sep. 2025

Word History

First Known Use

1911, in the meaning defined above

Rhymes for carotenoid

• albuminoid
• arytenoid
• cannabinoid
• epidermoid
• epithelioid
• meteoroid
• paraboloid
• subarachnoid
• underemployed
• adenoid
• alkaloid
• amoeboid

Medical Definition

carotenoid

noun

ca·​rot·​en·​oid

variants also carotinoid

kə-ˈrät-ᵊn-ˌȯid 

: 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