Term: eicosapentaenoic acid: an omega-3 fatty acid with 20 carbon atoms; found in fish (especially tuna and bluefish)
Broader: polyunsaturated fatty acid: 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 | Unrelated: welfare state: a government that undertakes responsibility for the welfare of its citizens through programs in public health and public housing and pensions and unemployment compensation etc.