Definition: Meaning of, polyunsaturated fat in English to English dictionary.
Pronunciation:/ ˌpɒlɪʌnˈsatʃʊreɪtɪd fat /
noun
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polyunsaturated fat
polyunsaturated fats
a class of fats having long carbon chains with many double bonds unsaturated with hydrogen atoms; used in some margarines; supposedly associated with low blood cholesterol