yolk
noun
- the yellow, principal substance of an egg, as distinguished from the albumen, or white
- Biol. the protein and fat stored in the ovum, serving as nourishment for the growing embryo
- suint
See yolk in American Heritage Dictionary 4
(yōk)
nouna. The yellow, usually spherical portion of an egg of a bird or reptile, surrounded by the albumen and serving as nutriment for the developing young.
b. A corresponding portion of the egg of other animals, consisting of protein and fat that serve as the primary source of nourishment for the early embryo and protoplasmic substances from which the embryo develops.
- A greasy substance found in unprocessed sheep's wool.
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