Definitions

from The Century Dictionary.

  • noun The yolk of the egg considered as a unit.

Etymologies

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Examples

  • In the earliest condition, even before the albumen and the shell are added and before the egg is laid, on one side of the yolk-mass there is a tiny protoplasmic spot which is at first a single cell and nothing more.

    The Doctrine of Evolution Its Basis and Its Scope Henry Edward Crampton

  • The entire yolk-mass of the egg divides into cells, and these cells form a hollow, sphere-like body, in which an intestinal canal arises by the invagination of one side.

    Scientific American Supplement, No. 433, April 19, 1884 Various

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