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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 vol·ca·nic /vɑlˈkænɪk, vɔl ||ˈke-/

From: Webster's Revised Unabridged Dictionary (1913)

 Vol·can·ic a.
 1. Of or pertaining to a volcano or volcanoes; as, volcanic heat.
 2. Produced by a volcano, or, more generally, by igneous agencies; as, volcanic tufa.
 3. Changed or affected by the heat of a volcano.
 Volcanic bomb, a mass ejected from a volcano, often of molten lava having a rounded form.
 Volcanic cone, a hill, conical in form, built up of cinders, tufa, or lava, during volcanic eruptions.
 Volcanic foci, the subterranean centers of volcanic action; the points beneath volcanoes where the causes producing volcanic phenomena are most active.
 Volcanic glass, the vitreous form of lava, produced by sudden cooling; obsidian.  See Obsidian.
 Volcanic mud, fetid, sulphurous mud discharged by a volcano.
 Volcanic rocks, rocks which have been produced from the discharges of volcanic matter, as the various kinds of basalt, trachyte, scoria, obsidian, etc., whether compact, scoriaceous, or vitreous.

From: WordNet (r) 2.0

      adj 1: relating to or produced by or consisting of volcanoes;
             "volcanic steam"; "volcanic islands such as Iceland";
             "a volcanic cone is a conical mountain or hill built
             up of material from volcanic eruptions"
      2: explosively unstable; "a volcanic temper"
      3: igneous rock produced by eruption and solidified on or near
         the earth's surface; rhyolite or andesite or basalt;
         "volcanic rock includes the volcanic glass obsidian" [syn: