Definition of linolenic acid in English:

linolenic acid

noun

mass nounChemistry
  • A polyunsaturated fatty acid (with one more double bond than linoleic acid) present as a glyceride in linseed and other oils and essential in the human diet.

    • ‘Since plants are capable of synthesizing linoleic and linolenic acid humans can acquire these fats by consuming a variety of plants or else by eating the meat of animals that have consumed these plant fats.’
    • ‘We must point out that two fatty acids are as important in the human diet as vitamins: linoleic and gamma-linolenic acid.’
    • ‘Sources of the essential fatty acid linolenic acid are soybean oil, canola oil, walnuts and flaxseed.’
    • ‘Linoleic and linolenic acid are essential fatty acids that are needed to make critical compounds in the body.’
    • ‘Manufacturers hydrogenate soybean oil to reduce its content of unsaturated fatty acids, particularly linolenic acid, the primary culprit responsible for causing food to become stale or rancid.’

Origin

Late 19th century: from German Linolensaüre, from Linolsaüre ‘linoleic acid’, with the insertion of -en- (from -ene).

Pronunciation

linolenic acid

/ˌlɪnə(ʊ)ˈlɛnɪk//-ˈliːnɪk/