yolk

n.

1. 1. 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.
   2. 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.
2. A greasy substance found in unprocessed sheep's wool.

[Middle English yolke, from Old English geolca, from geolu, yellow. See yellow.]

yolky yolk'y adj.

1. the stored nutrient of the ovum; it is also rich in antibody which is absorbed into the circulation of the embryo in the last third of incubation and is the mechanism by which maternal antibody is transferred to the young bird. See also yolk sac, egg.
2. the combined secretion of the sebaceous and sudoriferous glands of the sheep's skin and extractable from the fleece.

• y. sacculitis — see avian omphalitis.
• y. stalk — the connection, passing through the umbilicus, between the yolk sac and the fetus.
• y. stain — a stain of wool originating from the yolk.

IN BRIEF: The yellow part of an egg.

Separate the egg whites from the yoke for the cake recipe.

Tutor's tip: Another word that sounds like "yolk" which is the yellow part of an egg, is "yoke" which is a wooden frame for oxen.

Dansk (Danish)
n. - æggeblomme, uldfedt, uldsved

Nederlands (Dutch)
dooier, wolvet/-was

Français (French)
n. - jaune (d'¯uf)

Deutsch (German)
n. - Dotter, Eigelb, Wollschweiß

Ελληνική (Greek)
n. - κρόκος, κροκάδι (αβγού)

Italiano (Italian)
tuorlo

Português (Portuguese)
n. - gema de ovo (f)

Русский (Russian)
желток, суть, ланолин

Español (Spanish)
n. - yema de huevo

Svenska (Swedish)
n. - ullfett, äggula

中文（简体）(Chinese (Simplified))
蛋黄

中文（繁體）(Chinese (Traditional))
n. - 蛋黃

한국어 (Korean)
n. - 노른자위, 양털 기름

日本語 (Japanese)
n. - 卵の黄身, 卵黄, 羊毛脂

العربيه (Arabic)
‏(الاسم) مح البيض‏

עברית (Hebrew)
n. - ‮חלמון-הביצה, שמנוניות טבעית בצמר כבשים, תמצית, עיקר‬

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