Definition

1. Noun:
   • The yellow internal part of an egg: The yolk is the round, yellow portion of an egg, which is rich in nutrients and surrounded by the egg white (albumen). It serves as the primary food source for a developing embryo in fertilized eggs.
   • The nutritive material of an ovum: In biology, the yolk refers to the stored food material within an egg cell, providing nutrition for the embryo during its development.

Examples of Usage

• Noun:
  • Separate the yolk from the egg white before making the meringue.
  • The yolk of a chicken egg is a good source of vitamins and fats.
  • In this recipe, you only need the egg yolk to create a rich custard.

Advanced Usage

• "Yolk sac": A membranous sac attached to an embryo, providing early nourishment. This is a compound term.
  • The yolk sac is an important structure in the early development of many vertebrates.

Variants and Related Words

• Yolky (adj): Resembling or containing yolk; rich and yellow like an egg yolk.
  • The sauce had a yolky consistency and color.

Synonyms

• Egg yolk: The specific yellow part of an egg.
• Vitellus: The biological term for the yolk of an egg or the stored food in an egg cell.

Related Phrases

• "The yolk is the cholesterol-rich part": A common phrase describing a nutritional characteristic of the yolk.
  • Many people avoid eating the yolk because it is the cholesterol-rich part of the egg.

Noun

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