Meaning & use

diuretic

noun, adjective·Advancedmedical

Last updated

UK/ˌdaɪjʊˈretɪk/
US/ˌdaɪjəˈrɛtɪk/

Meanings

  1. nouncountablemedical

    A substance or drug that makes the body produce more urine, often used to lower blood pressure or reduce fluid buildup.

    Grammar: Countable: a diuretic.

    Patterns

    • take a diuretic

    The doctor prescribed a diuretic to reduce the swelling in her ankles.

    Coffee is a mild diuretic.

    Some athletes misuse diuretics to lose weight quickly.

  2. adjectivebefore a nounmedical

    Causing increased urine production.

    Grammar: Often before a noun: a diuretic effect.

    Patterns

    • diuretic effect

    The tea has a gentle diuretic effect.

    Celery is said to have diuretic properties.

Common combinations

mild diuretic
Caffeine is a mild diuretic.
prescribe a diuretic
Doctors may prescribe a diuretic for heart failure.
natural diuretic
Dandelion is often called a natural diuretic.
diuretic effect
Alcohol has a strong diuretic effect.
diuretic medication
He takes a daily diuretic medication.

Synonyms and how they differ

water pill
An informal name used by patients for a prescribed diuretic.
antihypertensive
Names a drug's purpose, lowering blood pressure, while diuretic names its action.
laxative
Affects the bowels, not urine output.
purgative
A stronger term for something that empties the body.

Word family

diuresis noun
increased urine production
diurese verb
to produce more urine
diuretics noun
plural form
antidiuretic adjective
reducing urine production

Commonly confused: diuretic or diarrhea?

diuretic vs diarrhea

Diarrhea is loose stools; a diuretic affects urine.

Practice

A diuretic mainly affects which body process?

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