cod liver oil
Học thuậtThân thiện
Definition
Noun: * A pale yellow oil extracted from the fresh livers of codfish (Gadus morhua). It is a rich natural source of vitamins A and D and omega-3 fatty acids, historically and commonly consumed as a dietary supplement.
Usage
Cod liver oil is used as a nutritional supplement. It is typically taken orally, in liquid form or in capsules. * Example: Many people take cod liver oil daily for its health benefits. * Example: The doctor recommended a teaspoon of cod liver oil to prevent vitamin D deficiency.
Advanced Usage
- While primarily a noun, it can function attributively (like an adjective) to describe other nouns.
- Example: She buys cod liver oil capsules for convenience.
Variants and Related Words
- Fish oil: A more general term for oil derived from the tissues of oily fish, which may include cod liver oil but often comes from other fish like salmon or anchovies.
- Omega-3 supplement: A broader category of supplements containing essential fatty acids, which includes cod liver oil.
Synonyms
- Nutritional supplement
- Dietary supplement (when referring to its use)
- Halibut liver oil (a similar product from a different fish)
Related Phrases/Idioms
- A dose of cod liver oil: This phrase can be used figuratively to describe something unpleasant but necessary or beneficial.
- Example: The new strict budget was a dose of cod liver oil for the company's finances.
Noun
- an oil obtained from the livers of cod and similar fishes; taken orally as a source of vitamins A and D