klōrˈthalə̇ˌdōn, klȯr- noun
( -s )
Etymology: chlor- + -thalidone , from ph thali mi d e + ket one
: a sulfonamide C 14 H 11 ClN 2 O 4 S that is a long-acting diuretic used in the treatment of hypertension and in the treatment of edema associated especially with congestive heart failure, renal dysfunction, cirrhosis of the liver, or corticosteroid and estrogen therapy