linoleic acid, (Z,Z)-octadeca-9,12-dienoic acid, cis,cis-9,12-octadecadienoic acid, 9,12-octadecadienoic acid
a liquid polyunsaturated fatty acid with two double bonds, CH3(CH2)4CH=CHCH2CH=CH(CH2)7COOH, linaseemneõlis jm taimeõlides, vähesel määral ka loomarasvas sisalduv küllastumata rasvhape