extrusive

EnglishEdit

AdjectiveEdit

extrusive (comparative more extrusive, superlative most 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.

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NounEdit

extrusive (plural extrusives)

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

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FrenchEdit

PronunciationEdit

AdjectiveEdit

extrusive

  1. feminine singular of extrusif