Synonym: egg yolk, vitellus. Similar words: egg yolk, embryology, folk, polka, folks, kolkata, folklore, folktale. Meaning: [jəʊk] 
n. 1. the yellow spherical part of an egg that is surrounded by the albumen 2. nutritive material of an ovum stored for the nutrition of an embryo (especially the yellow mass of a bird or reptile egg).
n. 1. the yellow spherical part of an egg that is surrounded by the albumen 2. nutritive material of an ovum stored for the nutrition of an embryo (especially the yellow mass of a bird or reptile egg). 
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1, The sauce should not boil or the egg yolk will curdle.
2, I like eggs lightly cooked so that the yolk is still runny.
3, Add an egg yolk to make the mixture bind.
4, Add an egg yolk to bind the mixture together.
5, Fold the cream into the egg yolk mixture.
6, Never microwave a whole egg without pricking the yolk with a toothpick to break the outer membrance.
7, Most of these nourishing substances are in the yolk of the egg.
8, C., busting open his egg yolk with his fork.
9, Turns out tempera contains enticing egg yolk.
10, Who breaks the egg will find the yolk.
11, Only the yolk contains cholesterol.
12, January haze, With a veined yolk of sun.
13, There is the yolk, the white and the shell.
14, Chicken eggs are large because of the yolk which acts as a source of nutrients for the growth of the developing embryo.
15, Re-heat the remaining cream and add the egg yolk mixture.
16, Young Arrowana should not have a yolk sac - and be seen feeding before purchase.
17, Mix together the cream, eggs, yolk and sugar and pour over the pears.
18, Even if the yolk sac is not visible, still be sure that is feeding before parting with your money.
19, Stir in 3 oz cheese, add egg yolk, 2 tablespoons water and mix to firm dough.
20, Combine the egg yolk and egg white batter carefully.
21, All the goodness of an egg is in the yolk.
22, There they also hatch and develop, sustained by the yolk with which she has endowed them.
23, They had an impression of very red cheeks and moist yellow hair smeared over the scalp like egg yolk.
24, Take off the heat and whisk in the yoghurt and the egg yolk.
25, The chick embryo proper comes from a very small region resting on the yolk and which is equivalent to the mammalian egg.
26, Break an egg into a bowl and separate the white from the yolk.
27, Their egg is an unusually large one for their body size and has a generous yolk.
28, The highest proportion of cholesterol is found in egg yolk, offal, shellfish, red meat,(http://sentencedict.com/yolk.html) butter and cream.
29, He wore a baggy tracksuit with what looked like a jam stain down the front and egg yolk all down the sleeve.
30, Cholesterol is found only in animal products, such as meats-especially organ meats-whole milk products and the yolk of eggs.