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Meaning of eruptive

e•rup•tive

Pronunciation: (i-rup'tiv), [key]
— adj.
  1. bursting forth, or tending to burst forth.
  2. pertaining to or of the nature of an eruption.
  3. noting a rock formed by the eruption of molten material.
  4. causing or accompanied by an eruption or rash.
—n.
  1. an eruptive rock.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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