carotenoid

noun ca·rot·en·oid \ kə-ˈrä-tə-ˌnȯid \
variants: or less commonly carotinoid
|Updated on: 6 Jul 2018

Definition of carotenoid

: 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

Recent Examples of carotenoid from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'carotenoid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of carotenoid

1911

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Medical Dictionary

carotenoid

noun ca·rot·en·oid
variants: also carotinoid play \kə-ˈrät-ᵊn-ˌȯid\

medical Definition of carotenoid

: 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

Learn More about carotenoid


Seen and Heard

What made you want to look up carotenoid? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a downward inclination or slope

Get Word of the Day daily email!

Test Your Vocabulary

Obscure Shapes

  • a-pile-of-three-dimensional-shapes-in-green
  • Something that is ooid is shaped like:
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!