What is "ballistite"

Ballistite \Bal"lis*tite\, n. [See Ballista.] (Chem.) A smokeless powder containing equal parts of soluble nitrocellulose and nitroglycerin. [Webster 1913 Suppl.] ||

n. A smokeless propellant made from nitrocellulose and nitroglycerine, developed in the late 19th century.

Ballistite is a smokeless propellant made from two high explosives, nitrocellulose and nitroglycerine. It was developed and patented by Alfred Nobel in the late 19th century.