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volcano 音标拼音: [vɑlk'eno] n. 火山 火山 volcano n 1: a fissure in the earth' s crust ( or in the surface of some other planet) through which molten lava and gases erupt [ synonym: { vent}, { volcano}] 2: a mountain formed by volcanic materialVolcano \ Vol* ca" no\, n.; pl. { Volcanoes}. [ It. volcano, vulcano, fr. L. Vulcanus Vulkan, the god of fire. See { Vulkan}.] ( Geol.) A mountain or hill, usually more or less conical in form, from which lava, cinders, steam, sulphur gases, and the like, are ejected; -- often popularly called a { burning mountain}. [ 1913 Webster] Note: Volcanoes include many of the most conspicuous and lofty mountains of the earth, as Mt. Vesuvius in Italy ( 4, 000 ft. high), Mt. Loa in Hawaii ( 14, 000 ft.), Cotopaxi in South America ( nearly 20, 000 ft.), which are examples of active volcanoes. The crater of a volcano is usually a pit- shaped cavity, often of great size. The summit crater of Mt. Loa has a maximum length of 13, 000 ft., and a depth of nearly 800 feet. Beside the chief crater, a volcano may have a number of subordinate craters. [ 1913 Webster] 19 Moby Thesaurus words for " volcano": belch, burst, cascade, debouchment, dissiliency, eructation, eruption, flare- up, gush, jet, outbreak, outburst, rapids, rush, spate, spew, spurt, torrent, volcan |
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- Volcano facts and types of volcanoes | Live Science
Discover interesting facts about volcanoes, including why and where they form and history's deadliest eruption
- WATCH Mount Etna erupt: Europes largest volcano blows as tourists . . .
Italy's Mount Etna has erupted in spectacular fashion, sending ash, gas, and other volcanic material high into the sky above Sicily Watch footage of the eruption
- We finally know where the Yellowstone volcano will erupt next
A detailed look at Yellowstone's magma storage system finds that only one region is likely to host liquid magma in the long term
- The closer a volcano is to erupting, the greener the trees around it . . .
Scientists can tell whether a volcano is about to erupt from the greenness of the trees around it, with more vibrant leaves indicating a potentially imminent blast
- Volcanoes - News and Scientific Articles on Live Science | Live Science
Read below for the latest news on volcano monitoring and research, current volcanic eruptions and to see amazing pictures of volcanoes
- Alaskan volcano Mount Spurr showing activity that will most likely end . . .
Mount Spurr near Anchorage has been showing signs of unrest for a year Now scientists think it's creeping closer to an eruption
- Indonesias Lewotobi Laki-laki volcano erupts twice in 2 days . . .
Mount Lewotobi Laki-laki erupted on Tuesday and Wednesday (June 17 and 18), unleashing gigantic ash plumes and showering villages with volcanic debris
- Undersea volcano off Oregon coast could erupt this year, geologists . . .
An undersea volcano off Oregon's coast will probably erupt in 2025, scientists say The volcano, known as Axial, is a seamount 300 miles (480 kilometers) west of Cannon Beach, Oregon The Axial
- Mount Etna eruption in images: See Europes largest active volcano blow . . .
The latest Mount Etna eruption triggered an avalanche of volcanic material and sent ash miles into the air Spectacular photos and videos capture the eruption of Europe's largest active volcano
- Record spike in earthquakes at Washingtons high threat volcano sends . . .
Six earthquakes were recorded at the Mount Adams volcano in September — a significant increase on the normal rate of one every two to three years
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