irruptive

Adjective
Synonyms: plutonic

WordNet 3.0

Adjective (1)

  1. of igneous rock that has solidified beneath the earth's surface; granite or diorite or gabbroSynonyms: plutonic
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Webster's Dictionary (GCIDE)

Irruptive \Ir*rup"tive\, a. Rushing in or upon. [1913 Webster]
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