haloxylin, -ine|hæˈlɒksɪlɪn| [f.Gr. ἁλο- salt + ξύλον wood + -in.] An explosive; see quot. 1883H. S. Drinker Explosive Compounds 60. 1895Dict. Explosives 17 Haloxyline, An explosive (patented 1866) in which a powdered cellulose substance and a rapid explosive are added to charcoal and saltpetre.