Definition of ejecta in English:

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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.
Example sentences
  • Melosh et al. proposed that wildfires were ignited by the thermal energy radiated by re-entering ejecta following the asteroid impact.
  • The stellar ejecta from the explosion initially trail behind the shock wave.
  • Impact ejecta deposits show a non-linear decrease in thickness with radial distance from the centre of the source crater.

Origin

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

For editors and proofreaders

Line breaks: ejecta

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