ACE inhibitor (ās)
Any of a class of drugs used to treat hypertension and heart failure.
Short for angiotensin converting enzyme inhibitor. Any of a class of drugs that cause vasodilation by inactivating an enzyme that converts angiotensin I to the vasoconstrictor angiotensin II, used in the treatment of hypertension, congestive heart failure, and other cardiovascular disorders. See also angiotensin.