The Collaborative International Dictionary of English v.0.48:

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]