extrusive
Adjective

extrusive

  1. Jutting out; extruding.
  2. (geology) Of rocks: forced, while in a plastic or molten state, on to the Earth's surface to lie atop existing rocks.
Synonyms Related terms Translations
  • French: extrusif
  • Italian: estrusivo
  • Spanish: extrusivo
Noun

extrusive (plural extrusives)

  1. (geology) Rock which has been formed through volcanic extrusion.



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