yolk

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun the yellow spherical part of an egg that is surrounded by the albumen
  2. noun nutritive material of an ovum stored for the nutrition of an embryo (especially the yellow mass of a bird or reptile egg)

Etymology

From Middle English yolke, yelke, ȝolke, ȝelke, from Old English ġeolca, ġeoloca, ġioleca (“the yellow part, yolk”), from ġeolu (“yellow”).

In classic literature

Synonyms

egg yolk

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