polyunsaturated /poly·un·sat·u·rat·ed/ (-un-sach´er-āt-ed) denoting a chemical compound, particularly a fatty acid, having two or more double or triple bonds in its hydrocarbon chain.
polyunsaturated
polyunsaturated,
pol·y·un·sat·u·rat·ed (p l  - n-s ch  -r t d)adj. Of or relating to long-chain carbon compounds, especially fatty acids, having two or more double bonds per molecule. Foods containing polyunsaturated fatty acids help reduce the level of LDL cholesterol in the blood. |
polyunsaturated
[-unsach′ərā′tid]
Etymology: Gk, polys, many; AS, un, not; L, saturare, to fill
pertaining to a chemical compound containing more than one double or triple bond that can be opened to accept more atoms into the molecule, thereby making the compound saturated. A polyunsaturated fatty acid is one in which there are two or more double bonds in the chain of carbon atoms that can be opened to accept hydrogen atoms.
polyunsaturated,
n a chemical compound that comprises at least one double or triple bond. Vegetable oils and some vitamins are polyunsaturated.
polyunsaturated
denoting a fatty acid, e.g. linoleic acid, having more than one double bond in its hydrocarbon chain.
polyunsaturated fatty acids
see fatty acids.
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