ejecta

E1J8E1C3T1A1
/ɪˈd͡ʒɛktə//əˈd͡ʒɛktə/

noun

Material which has been ejected, especially from a volcano or an impact crater.

UncommonScrabble 15

Meanings

nounejecta pl (plural only)
  1. pluralplural onlygeographyMaterial which has been ejected, especially from a volcano or an impact crater.

    Nasa said the impact was expected to create a crater about 60ft (18 metres) wide and 12ft (4 metres) deep and throw dust and rock outward as ejecta.

    2026 August 5, Oliver Holmes, “SpaceX rocket thought to have crashed into the moon in unintentional collision”, in The Guardian, →ISSN
    1 more example

    Distal ejecta are, by definition, those ejecta that occur at considerable distances from the source crater (>5 crater radii from the crater rim; see, e.g., Melosh 1989). They either consist of (usually fine-grained) rock and mineral fragments or are of glassy consistency.

    2006, Alessandro Montanari, Christian Koeberl, Impact Stratigraphy: The Italian Record, Springer, →ISBN, page 57

Synonyms & antonyms

Also see

Origin

  1. Latinējectus
  2. Englishejecta

Neuter plural of Latin ējectus.

Full word history & related roots →

Translations

Chinese Mandarin 噴出物 /喷出物
  • 噴出物 /喷出物 (pēnchūwù)material which has been ejected, especially from a volcano
Finnish heite
  • heitematerial which has been ejected, especially from a volcano
French éjecta
  • éjectamaterial which has been ejected, especially from a volcano
German Ejecta
  • Ejectamaterial which has been ejected, especially from a volcano
Japanese 噴出物
  • 噴出物 (funshutsubutsu)material which has been ejected, especially from a volcano
Polish materiał wyrzucony
  • materiał wyrzuconymaterial which has been ejected, especially from a volcano
Russian вы́бросы
  • вы́бросы (výbrosy)material which has been ejected, especially from a volcano
Spanish deyección
  • deyecciónmaterial which has been ejected, especially from a volcano
Cite this entry
APA

ejecta. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/ejecta

MLA

“ejecta.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ejecta. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “ejecta,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/ejecta.

Source: ejecta on Wiktionary, CC BY-SA 4.0.