Skip to main content
Select Source:

yolk

yolk / yōk/ • n. the yellow internal part of a bird's egg, which is surrounded by the white, is rich in protein and fat, and nourishes the developing embryo. ∎  Zool. the corresponding part in the ovum or larva of all egg-laying vertebrates and many invertebrates. ORIGIN: Old English geol(o)ca, from geolu ‘yellow.’

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"yolk." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. 21 Aug. 2017 <http://www.encyclopedia.com>.

"yolk." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (August 21, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/yolk-0

"yolk." The Oxford Pocket Dictionary of Current English. . Retrieved August 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/yolk-0

yolk

yolk The food stored in an egg for the use of the embryo. It can consist mainly of protein (protein yolk) or of phospholipids and fats (fatty yolk). The eggs of oviparous animals (e.g. birds) contain a relatively large yolk.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"yolk." A Dictionary of Biology. . Encyclopedia.com. 21 Aug. 2017 <http://www.encyclopedia.com>.

"yolk." A Dictionary of Biology. . Encyclopedia.com. (August 21, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/yolk-0

"yolk." A Dictionary of Biology. . Retrieved August 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/yolk-0

yolk

yolk Rich substance found in the eggs or ova of most animals except those of placental mammals. It consists of fats and proteins and serves as a store of food for the developing embryo.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"yolk." World Encyclopedia. . Encyclopedia.com. 21 Aug. 2017 <http://www.encyclopedia.com>.

"yolk." World Encyclopedia. . Encyclopedia.com. (August 21, 2017). http://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/yolk

"yolk." World Encyclopedia. . Retrieved August 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/yolk

yolk

yolk Material, consisting of a mixture of lipids and proteins, secreted in the form of granules, that in eggs act as a source of food for the growth and development of an embryo.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"yolk." A Dictionary of Zoology. . Encyclopedia.com. 21 Aug. 2017 <http://www.encyclopedia.com>.

"yolk." A Dictionary of Zoology. . Encyclopedia.com. (August 21, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/yolk

"yolk." A Dictionary of Zoology. . Retrieved August 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/yolk

yolk

yolk2 greasy substance of sheep's skin glands. XVII. repr. OE. *eowoca, in the adj. eowociġ; see -Y1.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"yolk." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. 21 Aug. 2017 <http://www.encyclopedia.com>.

"yolk." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. (August 21, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/yolk-2

"yolk." The Concise Oxford Dictionary of English Etymology. . Retrieved August 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/yolk-2

yolk

yolk1 yellow of an egg. OE. ġeol(o)ca, f. ġeolu YELLOW.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"yolk." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. 21 Aug. 2017 <http://www.encyclopedia.com>.

"yolk." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. (August 21, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/yolk-1

"yolk." The Concise Oxford Dictionary of English Etymology. . Retrieved August 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/yolk-1

yolk

yolkawoke, bespoke, bloke, broke, choke, cloak, Coke, convoke, croak, evoke, folk, invoke, joke, Koch, moke, oak, okey-doke, poke, provoke, revoke, roque, smoke, soak, soke, spoke, stoke, stony-broke (US stone-broke), stroke, toke, toque, woke, yoke, yolk •Holyoake • artichoke • gentlefolk •menfolk • kinsfolk • womenfolk •townsfolk • fisherfolk • holmoak •woodsmoke • cowpoke • slowpoke •backstroke • breaststroke • keystroke •heatstroke • sidestroke • downstroke •sunstroke • upstroke • masterstroke •counterstroke • equivoque

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"yolk." Oxford Dictionary of Rhymes. . Encyclopedia.com. 21 Aug. 2017 <http://www.encyclopedia.com>.

"yolk." Oxford Dictionary of Rhymes. . Encyclopedia.com. (August 21, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/yolk

"yolk." Oxford Dictionary of Rhymes. . Retrieved August 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/yolk