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volcanic    音标拼音: [vɑlk'ænɪk]
a. 火山的,猛烈的
n. 火山岩

火山的,猛烈的火山岩

volcanic
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"

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]

49 Moby Thesaurus words for "volcanic":
agitable, bursting, combustible, detonating, edgy, emotional,
emotionally unstable, eruptive, excitable, explodable, explosible,
explosive, fierce, fiery, fulminating, furious, hasty,
high-mettled, high-spirited, high-strung, highly emotional, hot,
hot-tempered, hotheaded, impetuous, inflammable, irascible,
irritable, mettlesome, nervous, passionate, peppery, perturbable,
prickly, quick, quick-tempered, sensitive, short-tempered,
simmering, skittish, spunky, startlish, stormy, tempestuous,
tornadic, touchy, vehement, violent, wild


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  • Volcano - Wikipedia
    The erupted volcanic material (lava and tephra) that is deposited around the vent is known as a volcanic edifice, typically a volcanic cone or mountain [2][23] The most common perception of a volcano is of a conical mountain, spewing lava and poisonous gases from a crater at its summit; however, this describes just one of the many types of
  • Volcano | Definition, Types, Facts | Britannica
    Volcano, vent in the crust of Earth or another planet or satellite, from which issue eruptions of molten rock, hot rock fragments, and hot gases The term volcano can also refer to the landform created by the accumulation of solidified lava and volcanic debris near the vent
  • Volcanoes Volcanic Landforms - Volcanoes, Craters Lava Flows (U. S . . .
    National parks contain nearly the full-range of terrestrial volcanic landforms from active volcanoes, young cinder cones, gigantic calderas, and areas covered by vast lava flows to ancient volcanoes that are deeply-eroded and old lava flows that no longer retain their surface features
  • About Volcanoes | U. S. Geological Survey - USGS. gov
    Volcanoes are openings, or vents where lava, tephra (small rocks), and steam erupt onto the Earth's surface Volcanic eruptions can last days, months, or even years
  • Volcanic eruption | Description, Explained, History, In Pop Culture . . .
    A volcanic eruption is an eruption of molten rock, hot rock fragments, and hot gases through a volcano, which is a vent in a planet’s or satellite’s crust Volcanic eruptions can cause disastrous loss of life and property Volcanic eruptions play a role in climate change, with expelled gases such as carbon dioxide contributing to global warming, while ash, dust, and gases can drive global
  • Which Volcanoes are Erupting? - List map of Active . . . - VolcanoDiscovery
    Color code explanation (click to close legend) Black = (Probably) extinct Green = normal activity dormant Yellow = unrest: some signs of unrest, but no eruption in near future (days to weeks) likely Orange = Minor activity eruption warning: infrequent small eruptions or strong signs that suggest an eruption could be imminent (days or few weeks) Red = Eruption: includes volcanoes with near
  • Volcanic Eruptions - Volcanoes, Craters Lava Flows (U. S. National . . .
    A volcanic eruption is the expulsion of gases, rock fragments, and or molten lava from within the Earth through a vent onto the Earth’s surface or into the atmosphere Illustration of the basic process of magma formation, movement to the surface, and eruption through a volcanic vent USGS illustration
  • Volcano facts and information | National Geographic
    Volcanic ash can collapse weak structures, cause power outages, and is a challenge to shovel away post-eruption (Volcano tourism is booming, but is it too risky?) Can we predict volcanic eruptions?
  • Volcanic eruption - Wikipedia
    The volcanic explosivity index (commonly shortened to VEI) is a scale, from 0 to 8, for measuring the strength of eruptions but does not capture all of the properties that may be perceived to be important It is used by the Smithsonian Institution 's Global Volcanism Program in assessing the impact of historic and prehistoric lava flows
  • Volcanoes: Facts, news, features and articles about geologys fieriest . . .
    Discover interesting facts about volcanoes, including why and where they form and history's deadliest eruption





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