ejecta

名词 n.
中文释义

英文释义

名词 n.
  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.

词源

Neuter plural of Latin ējectus.
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