n. [ Carbon + styrene. ] A white crystalline substance, C9H6N.OH, of acid properties derived from one of the amido cinnamic acids. [ 1913 Webster ]
n. [ Hydro-, 2 + carbostyril. ] (Chem.) A white, crystalline, nitrogenous hydrocarbon, C9H9NO, obtained from certain derivatives of cinnamic acid and closely related to quinoline and carbostyril. [ 1913 Webster ]