Definition of Volcanics. Meaning of Volcanics. Synonyms of Volcanics
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Definition of Volcanics
VolcanicVolcanic Vol*can"ic, a. [Cf. F. volcanique, It. vulcanico.]
1. Of or pertaining to a volcano or volcanoes; as, volcanic
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
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.
Meaning of Volcanics from wikipedia
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