- A liquid appearing like a heavy oil, colorless or
yellowish, and consisting of a mixture of several glycerin salts of
nitric acid, and hence more properly called glycerin nitrate. It is
made by the action of nitric acid on glycerin in the presence of
sulphuric acid. It is extremely unstable and terribly explosive. A very
dilute solution is used in medicine as a neurotic under the name of
glonion.