From Longman Dictionary of Contemporary Englishunsaturatedun‧sa‧tu‧rat‧ed /ʌnˈsætʃəreɪtɪd/ adjective unsaturated fats or oils usually come from plants rather than animals and are better for your health
Examples from the Corpus
unsaturated• Saturated hydrocarbons can burn to aldehydes, alcohols to organic acids, and aromatics to unsaturated compounds which are pungent and irritating.• There has been so much talk of saturated and unsaturated fats that most people have heard of them.• The seeds may also be a lucrative source of high quality seed oil, rich in unsaturated fatty acids.• They live in unsaturated habitats where harsh, unpredictable conditions keep populations from reaching full capacity.• Saturated fatty acids were more abundant in the vesicular phase and unsaturated ones were more abundant in the micellar phase.• In addition the repeat profiles provide valuable information on the mechanisms and rates of water movement in the unsaturated zone.• The nitrate problem has taught us that to protect our drinking water, we must monitor the unsaturated zone. 