Meaning of polyunsaturated

pol•y•un•sat•u•rat•ed

Pronunciation: (pol"ē-un-sach'u-rā"tid), [key]
— adj. Nutrition.
  1. of or noting a class of animal or vegetable fats, esp. plant oils, whose molecules consist of carbon chains with many double bonds unsaturated by hydrogen atoms and that are associated with a low cholesterol content of the blood.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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