英和和英

発音

• IPA: /ɪˈd͡ʒɛktə/, /əˈd͡ʒɛktə/

名詞

ejecta pl (plural only)

1. (geology) Material which has been ejected, especially from a volcano or an impact crater.
   • 2006, Alessandro Montanari, Christian Koeberl, Impact Stratigraphy: The Italian Record, Springer, →ISBN, page 57:

     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.

派生語

Further reading

• “ejecta”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.

参照

• "ejecta", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)