Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of, resembling, or caused by a volcano or volcanoes: a volcanic peak; volcanic islands.
  • adj. Produced by or discharged from a volcano: volcanic ash.
  • adj. Characterized by the presence of volcanoes.
  • adj. Powerfully explosive: a volcanic temper.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of or pertaining to a volcano or volcanoes; as, volcanic heat.
  • adj. Produced by a volcano, or, more generally, by igneous agencies; as, volcanic tufa.
  • adj. Changed or affected by the heat of a volcano.
  • adj. Reminiscent of a volcano; explosive, violent, full of suppressed anger, energy etc.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of or pertaining to a volcano or volcanoes.
  • adj. Produced by a volcano, or, more generally, by igneous agencies.
  • adj. Changed or affected by the heat of a volcano.

from The Century Dictionary and Cyclopedia

  • Pertaining to or produced by volcanoes or volcanic action: as, volcanic heat, volcanic rock, volcanic phenomena, etc.
  • n. In petrography, a volcanic rock: generally used in the plural.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. relating to or produced by or consisting of volcanoes
  • adj. explosively unstable
  • adj. igneous rock produced by eruption and solidified on or near the earth's surface; rhyolite or andesite or basalt

Etymologies

From French volcanique, from volcan; and/or directly from volcan(o) +‎ -ic. (Wiktionary)

Examples

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