资料来源 : pyDict

喷出物[火山等的]

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Ejecta \E*jec"ta\, n. pl. [L., neut. pl. of ejectus cast out.
   See {Eject}.]
   Matter ejected; material thrown out; as, the ejecta of a
   volcano; the ejecta, or excreta, of the body.