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1. A yellow-orange xanthophyll carotenoid, C40H56O2, that occurs naturally in green plants and in the fat of plant-eating animals, egg yolk, the corpus luteum, and the retina, and that may help to prevent macular degeneration.
2. A dried preparation of corpus luteum.
[Latin lūteum, yellow, egg yolk (from neuter of lūteus, yellow, from lūtum, yellowweed) + -in.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Botany) a xanthophyll pigment, occurring in plants, that has a light-absorbing function in photosynthesis
[C20: from Latin lūteus yellow + -in]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
lu•te•in(ˈlu ti ɪn)
a carotenoid yellow pigment that is abundant in egg yolk and the corpus luteum, similar to xanthophyll.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||lutein - yellow carotenoid pigments in plants and animal fats and egg yolks|
carotenoid - any of a class of highly unsaturated yellow to red pigments occurring in plants and animals
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
n. luteína, pigmento amarillo que se deriva del cuerpo lúteo, de la yema del huevo y de las células adiposas.
English-Spanish Medical Dictionary © Farlex 2012