xanthophyll, xanthophyl, lutein
(noun) yellow carotenoid pigments in plants and animal fats and egg yolks
Source: WordNet® 3.1
xanthophyll (countable and uncountable, plural xanthophylls)
(organic chemistry, countable) Any of various hydroxy, carbonyl or carboxylic acid derivatives of carotenes.
(organic compound, uncountable) Lutein.
• (class of compounds derived from carotenes): phylloxanthin
• (the specific compound): lutein
Source: Wiktionary
Xan"tho*phyll, n. [Xantho- + Gr. fy`llon leaf.] (Bot.)
Definition: A yellow coloring matter found in yellow autumn leaves, and also produced artificially from chlorophyll; -- formerly called also phylloxanthin.
Source: Webster’s Unabridged Dictionary 1913 Edition
4 November 2024
(noun) a state of inactivity (in business or art etc); “economic growth of less than 1% per year is considered to be economic stagnation”
International Coffee Day (September 29) is an occasion to promote and celebrate coffee as a beverage, with events occurring in places across the world. A day to promote fair trade coffee and raise awareness for the coffee growers’ plight. Other countries celebrate this event on October 1.
