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Definition of Volcanic
1. Adjective. Relating to or produced by or consisting of volcanoes. "A volcanic cone is a conical mountain or hill built up of material from volcanic eruptions"
2. Adjective. Explosively unstable. "A volcanic temper"
3. Adjective. 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"
Definition of Volcanic
1. a. Of or pertaining to a volcano or volcanoes; as, volcanic heat.
2. a. Of or pertaining to a volcano or volcanoes; as, volcanic heat.
Definition of Volcanic
1. a rock produced by a volcano [n -S]
Medical Definition of Volcanic
1. 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. Origin: Cf. F. Volcanique, It. Vulcanico. Source: Websters Dictionary (01 Mar 1998)
Lexicographical Neighbors of Volcanic
Other Resources:
Galician