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Related to cod-liver oil: fish liver oil
An oil obtained from the liver of cod and related fishes and used as a dietary source of vitamins A and D.
a pale-yellow, partially destearinated fatty oil extracted from the fresh livers of Gadus morrhua and other fish of the family Gadidae. A rich source of fat-soluble vitamins A and D, it is useful in the treatment of nutritional deficiency of those vitamins. The oil must be stored in a cool, dark place, or it becomes rancid. See also osteomalacia, rickets, tetany.