Meaning & use

polyunsaturated fat

noun·Academictechnical

Last updated

UK/ˌpɒliʌnˈsætʃəreɪtɪd fæt/
US/ˌpɑːliʌnˈsætʃəreɪtɪd fæt/

Meaning

  1. nouncountable or uncountabletechnical

    A type of fat whose chemical structure has many double bonds, found in foods like nuts, seeds, and some oils.

    Grammar: Use it uncountably for the substance ('foods high in polyunsaturated fat') and countably for types ('different polyunsaturated fats').

    Patterns

    • polyunsaturated fat in something
    • a source of polyunsaturated fat
    • high in polyunsaturated fat

    Olive oil and sunflower oil are good sources of polyunsaturated fat.

    Doctors often recommend replacing saturated fat with polyunsaturated fat in the diet.

    Nuts and seeds contain healthy polyunsaturated fats that can help lower cholesterol.

Word forms

pluralpolyunsaturated fats

Common combinations

source of polyunsaturated fat
Fish is a well-known source of polyunsaturated fat.
high in polyunsaturated fat
Walnuts are high in polyunsaturated fat.
polyunsaturated fatty acids
Omega-3 and omega-6 are polyunsaturated fatty acids.
replace saturated fat with polyunsaturated fat
Nutritionists suggest replacing saturated fat with polyunsaturated fat to support heart health.

Synonyms and how they differ

PUFA
An abbreviation for polyunsaturated fatty acid, often used in scientific writing; it is more technical than the full phrase.
healthy fat
A general, non-technical term that can include polyunsaturated and monounsaturated fats; it is less precise.

Opposites

saturated fattrans fat

Word family

polyunsaturated adjective
Describing a fat or oil with many double bonds in its molecules.
polyunsaturate noun
A polyunsaturated fat or fatty acid, used mainly in technical contexts.

Commonly confused: polyunsaturated fat or monounsaturated fat?

polyunsaturated fat vs monounsaturated fat

Monounsaturated fat has one double bond, while polyunsaturated fat has more than one; both are considered healthier than saturated fat.

Practice

Which food is a typical source of polyunsaturated fat?

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