| Pronunciation: | vi'telus | ||
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| Definition: | [n] 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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| Synonyms: | yolk | ||
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| See Also: | egg, food, nutrient | ||
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| Definition: | \Vi*tel"lus\, n. [L., the yolk of an egg.]
1. (Biol.) The contents or substance of the ovum; egg yolk.
See Illust. of {Ovum}.
2. (Bot.) Perisperm in an early condition.
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