chlorthalidone
noun
chlor·thal·i·done
| \ klōr-ˈthal-ə-ˌdōn, klȯr-
\
\
Medical Definition of chlorthalidone
: a sulfonamide C14H11ClN2O4S 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 — see hygroton