xanthophyll – מילון אנגלי-אנגלי
xanthophyll
n.
yellow pigment found in plants, related to carotene
Xanthophyll
Xanthophylls (originally
phylloxanthins) are yellow
pigments that occur widely in nature and form one of two major divisions of the
carotenoid group; the other division is formed by the
carotenes. The name is from Greek
xanthos (ξανθός, "yellow") and
phyllon (φύλλον, "leaf"), due to their formation of the yellow band seen in early
chromatography of leaf pigments.
xanthophyll
Noun
1. yellow carotenoid pigments in plants and animal fats and egg yolks
(synonym) xanthophyl, lutein
(hypernym) carotenoid
Xanthophyll (das)
n.
xanthophyll, yellow pigment found in plants, related to carotene
Xanthophyll
(n.)
A yellow coloring matter found in yellow autumn leaves, and also produced artificially from chlorophyll; -- formerly called also phylloxanthin.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
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