ejecta

 
Pronunciation: /ɪˈdʒɛktə/

plural noun

[often treated as singular] Geology & Astronomy
  • material that is forced or thrown out, especially as a result of volcanic eruption, meteoritic impact, or stellar explosion.

Origin:

late 19th century: from Latin, 'things thrown out', neuter plural of ejectus 'thrown out', from eicere (see eject)