captopril -
a drug (trade name Capoten) that blocks the formation of angiotensin in the kidneys resulting in vasodilation; used in the treatment of hypertension and congestive heart failure
ace inhibitor,
angiotensin-converting enzyme inhibitor an antihypertensive drug that blocks the formation of angiotensin II in the kidney, leading to relaxation of the arteries; promotes the excretion of salt and water by inhibiting the activity of the angiotensin converting enzyme; also used to treat congestive heart failure
