spironolactone

spi·ro·no·lac·tone  (spr-n-lktn, sp-r-, sp-rn-)

n.

A steroid derivative, C₂₄H₃₂O₄S, that blocks the action of aldosterone, used as a diuretic primarily in the treatment of hypertension.

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[Alteration of spirolactone : Latin spra, coil; see spiral + lactone.]

Thesaurus

Noun

1.

spironolactone - a synthetic corticosteroid (trade name Aldactone) used to treat hypertension Aldactone antihypertensive, antihypertensive drug - a drug that reduces high blood pressure adrenal cortical steroid, corticoid, corticosteroid - a steroid hormone produced by the adrenal cortex or synthesized; administered as drugs they reduce swelling and decrease the body's immune response; "adrenal cortical steroids are used to treat many different conditions"