Share this entry

Share this page

ejecta

Syllabification: e·jec·ta
Pronunciation: /əˈjektə
 
/

Definition of ejecta in English:

plural noun

[often treated as singular]
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).

Definition of ejecta in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day Noel
Pronunciation: nəʊˈɛl
noun
Christmas…