ROSCOELITE
Ros "coe *lite, n. Etym: [From an English chemist, H.E. Roscoe + -lite. ] (Min. )
roscoe
ros coe |ˈräskō ˈrɑskoʊ | ▶noun informal, dated a gun, esp. a pistol or revolver. ORIGIN early 20th cent.: from the surname Roscoe.
roscoe |ˈrɒskəʊ | ▶noun US informal, dated a gun, especially a pistol or revolver. ORIGIN early 20th cent.: from the surname Roscoe.