polyunsaturated

views updated

pol·y·un·sat·u·rat·ed / ˌpälēənˈsachəˌrātid/ • adj. Chem. (of an organic compound, esp. a fat or oil molecule) containing several double or triple bonds between carbon atoms. Polyunsaturated fats, which are usually of plant origin, are regarded as healthier in the diet than saturated fats.