3. (Zoöl.)
Defn: The caudal spring used by Podura and related insects for leaping. See Collembola.
ELATER
El"a*ter, n. (Chem.)
Defn: The active principle of elaterium, being found in the juice of the wild or squirting cucumber (Ecballium agreste, formerly Motordica Elaterium) and other related species. It is extracted as a bitter, white, crystalline substance, which is a violent purgative.
ELATERITE
El"a*ter*ite, n. (Min.)
Defn: A mineral resin, of a blackish brown color, occurring in soft, flexible masses; — called also mineral caoutchouc, and elastic bitumen.
ELATERIUM
El`a*te"ri*um, n. Etym: [L., fr. Gr. Elater.]
Defn: 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).
ELATEROMETER
El`a*ter*om"e*ter, n.
Defn: Same as Elatrometer.