Ejecta

//ɪˈd͡ʒɛktə// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Material which has been ejected, especially from a volcano or an impact crater. plural, plural-only

    "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."

Synonyms

All synonyms
balldejectiondischargediscuseffluentejectamenta

Example

More examples

"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."

Etymology

Neuter plural of Latin ējectus.

Related phrases

ejecta spheruleimpact crater

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.