yolk
[ yohk, yohlk ]
/ yoʊk, yoʊlk /
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noun
the yellow and principal substance of an egg, as distinguished from the white.
Embryology. the part of the contents of the egg of an animal that enters directly into the formation of the embryo, together with any material that nourishes the embryo during its formation.
the essential part; the inner core.
a natural grease exuded from the skin of sheep.
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Also yoke.
Origin of yolk
OTHER WORDS FROM yolk
yolked, adjectiveyolkless, adjectiveyolky, adjectiveWORDS THAT MAY BE CONFUSED WITH yolk
yoke, yolkDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use yolk in a sentence
British Dictionary definitions for yolk
yolk
/ (jəʊk) /
noun
the substance in an animal ovum consisting of protein and fat that nourishes the developing embryoRelated adjective: vitelline
a greasy substance secreted by the skin of a sheep and present in the fleece
Derived forms of yolk
yolkless, adjectiveyolky, adjectiveWord Origin for yolk
Old English geoloca, from geolu yellow
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Scientific definitions for yolk
yolk
[ yōk ]
The yellow internal part of the egg of a bird or reptile. The yolk is surrounded by the albumen and supplies food to the developing young.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.