The story
Circa 20th century: from Angiotensin-Converting-Enzyme inhibitor.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Any of a class of blood pressure-lowering drugs, including captopril and enalapril, that cause the arteries to widen by preventing the synthesis on angiotensin. Full definition →
Circa 20th century: from Angiotensin-Converting-Enzyme inhibitor.
Etymology from Wiktionary, CC BY-SA 4.0.