polyunsaturated

English

Etymology

poly- +‎ unsaturated

Adjective

polyunsaturated (not comparable)

  1. (chemistry) Of or relating to long chain organic compounds that have multiple double bonds; polyunsaturated fatty acids are essential to human nutrition.
  2. (nutrition, of a fat or oil) Having a chemical structure that does not easily change into cholesterol (a substance containing a lot of fat though to be an important cause of heart disease).

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