(n)the capital and largest city of Indiana; a major commercial center in the country's heartland; site of an annual 500-mile automobile race, Syn.capital of Indiana
n. [ Sinapis + L. oleum oil. ] (Chem.) A nitrogenous base, CO.(NH.C3H5)2, related to urea, extracted from mustard oil, and also produced artifically, as a white crystalline substance; -- called also diallyl urea. [ 1913 Webster ]