Definition of carotenoid in English:

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carotenoid

Pronunciation: /kəˈrät(ə)nˌoid/

noun

Chemistry
Any of a class of mainly yellow, orange, or red fat-soluble pigments, including carotene, which give color to plant parts such as ripe tomatoes and autumn leaves. They are terpenoids based on a structure having the formula C40H56.
Example sentences
  • This color reveals the presence of yellow, orange and red pigments known as carotenoids.
  • Another class, the carotenoids, creates the orange color of carrots and pumpkins.
  • The yellow colour comes largely from carotenoids, which hens get from plant foods, or lutein, which is added to feeds specifically to colour egg yolk.

For editors and proofreaders

Syllabification: ca·rot·e·noid

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