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Hasil cari dari kata atau frase: Volcanic glass(0.01469 detik)
Found 2 items, similar to Volcanic glass.
English → English (WordNet)
Definition: volcanic glass
n : a kind of natural glass produced when molten lava cools very
English → English (gcide)
Definition: Volcanic glass
Volcanic \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.