Main Entry: spi·ro·no·lac·tone

Pronunciation: \ˌspī-rə-nō-ˈlak-ˌtōn, spi-ˌrō-nə-\

Function: noun

: an aldosterone antagonist C₂₄H₃₂O₄S that promotes diuresis and sodium excretion and is used to treat essential hypertension, edema with congestive heart failure, hepatic cirrhosis with ascites, nephrotic syndrome, and idiopathic edema