Glonoin \Glon"o*in\ Glonoine \Glon"o*ine\, n. [Glycerin + oxygen + nitrogen + -in, -ine.] [1913 Webster] 1. Same as {Nitroglycerin}; -- called also {oil of glonoin}. [Obs.] [1913 Webster] 2. (Med.) A dilute solution of nitroglycerin used as a neurotic. [1913 Webster]