polyunsaturated_fatty_acid
1. [ noun ] (biology,chemistry) an unsaturated fatty acid whose carbon chain has more than one double or triple valence bond per molecule; found chiefly in fish and corn and soybean oil and safflower oil
Related terms: unsaturated_fatty_acid alpha-linolenic_acid omega-6 docosahexaenoic_acid elcosapentaenoic_acid omega-3 linolenic_acid linoleic_acid