Elaterite :: Elaterite (n.) A mineral resin, of a blackish brown color, occurring in soft, flexible masses; -- called also mineral caoutchouc, and elastic bitumen..
Elaterium :: Elaterium (n.) A cathartic substance obtained, in the form of yellowish or greenish cakes, as the dried residue of the juice of the wild or squirting cucumber (Ecballium agreste, formerly called Momordica Elaterium)..