noun
PharmacologyThe drug metyrapone.
A trademark in the United States.
Origin
1960s; earliest use found in The Lancet. Perhaps from met- + -o- + pir- (in pyrid, with alteration of y to i) + -one, after the chemical name 2-methyl-1,2-di(pyrid-3-yl)propan-1-one.
Are You Learning English? Here Are Our Top English Tips