Definitions for "Ejecta"
Matter ejected; material thrown out; as, the ejecta of a volcano; the ejecta, or excreta, of the body.
Material thrown out of a volcano or impact crater.
Rock fragments, glass, and other material thrown out of an impact crater or a volcano.
In volcanology, ejecta consists of particles that came out of a volcanic vent, traveled through the air or under water, and fell back on the ground surface or on the ocean floor.