angiotensin-converting enzyme inhibitorListen to pronunciation(AN-jee-oh-TEN-sin-kun-VER-ting EN-zime in-HIH-bih-ter)A drug that is used to lower blood pressure. An angiotensin-converting enzyme inhibitor is a type of antihypertensive agent. Also called ACE inhibitor.Search NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#