Volcanic bomb

Volcanic bomb
Volcanic Vol*can"ic, a. [Cf. F. volcanique, It. vulcanico.] 1. Of or pertaining to a volcano or volcanoes; as, volcanic heat. [1913 Webster]

2. Produced by a volcano, or, more generally, by igneous agencies; as, volcanic tufa. [1913 Webster]

3. Changed or affected by the heat of a volcano. [1913 Webster]

{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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Volcanic bomb — Bomb Bomb, n. [F. bombe bombshell, fr. L. bombus a humming or buzzing noise, Gr. ?.] [1913 Webster] 1. A great noise; a hollow sound. [Obs.] [1913 Webster] A pillar of iron . . . which if you had struck, would make . . . a great bomb in the… …   The Collaborative International Dictionary of English

  • Volcanic bomb — A volcanic bomb is a globe of molten rock (tephra) larger than 65 mm (2.5 inches) in diameter, formed when a volcano ejects viscous fragments of lava during an eruption. They cool into solid fragments before they reach the ground. Lava bombs can… …   Wikipedia

  • volcanic bomb — GLOSSARY OF VOLCANIC TERMS Juvenile fragments of semi solid or plastic magma ejected during a volcanic eruption. Based on their shapes after they hit the ground and cool, bombs are given various textural names including breadcrust bombs, cow dung …   Glossary of volcanic terms

  • volcanic bomb —    A pyroclast > 64 mm in at least one dimension that was ejected while still viscous and solidified into its rounded form in flight.    Compare: cinders, lapilli, tephra, volcanic block.    GG …   Glossary of landform and geologic terms

  • volcanic bomb — Geol. bomb (def. 3). [1790 1800] * * * …   Universalium

  • volcanic bomb — noun : bomb 4 …   Useful english dictionary

  • Bomb — Bomb, n. [F. bombe bombshell, fr. L. bombus a humming or buzzing noise, Gr. ?.] [1913 Webster] 1. A great noise; a hollow sound. [Obs.] [1913 Webster] A pillar of iron . . . which if you had struck, would make . . . a great bomb in the chamber… …   The Collaborative International Dictionary of English

  • Bomb chest — Bomb Bomb, n. [F. bombe bombshell, fr. L. bombus a humming or buzzing noise, Gr. ?.] [1913 Webster] 1. A great noise; a hollow sound. [Obs.] [1913 Webster] A pillar of iron . . . which if you had struck, would make . . . a great bomb in the… …   The Collaborative International Dictionary of English

  • Bomb ketch — Bomb Bomb, n. [F. bombe bombshell, fr. L. bombus a humming or buzzing noise, Gr. ?.] [1913 Webster] 1. A great noise; a hollow sound. [Obs.] [1913 Webster] A pillar of iron . . . which if you had struck, would make . . . a great bomb in the… …   The Collaborative International Dictionary of English

  • Bomb lance — Bomb Bomb, n. [F. bombe bombshell, fr. L. bombus a humming or buzzing noise, Gr. ?.] [1913 Webster] 1. A great noise; a hollow sound. [Obs.] [1913 Webster] A pillar of iron . . . which if you had struck, would make . . . a great bomb in the… …   The Collaborative International Dictionary of English

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