A vent in the surface of the Earth through which magma and associated gases and ash erupt; also, the form or structure (usually conical) that is produced by the ejected material.
A mound, hill or mountain constructed by the extrusion of lava and/or pyroclastic material from beneath the ground (Fisher et al., 1997, p. 43). A vent in the earth's crust from which molten lava, pyroclastic materials, volcanic gases, etc. issue (AGU, 1976, p. 457).
A volcano is a vent at the Earth's surface through which magma (molten rock) and associated gases erupt, and also the cone built by effusive and explosive eruptions.
Photograph by E. Klett on 27 January 1994; U.S. Fish and Wildlife Service
Snow-covered Kanaga Volcano in Alaska erupts a small column of tephra, gas, and steam. Kanaga is a stratovolcano. View is toward the west.

Glossary of volcanic terms. - University of Wisconsin Oshkosh. . 2001.

Look at other dictionaries:

  • Volcano — (volcán en inglés) puede referirse a: Lugares: Islas: Islas Volcano, en Japón; Localidades: Volcano, pueblo en el estado estadounidense de California; Mundo (California), área no incorporada en el estado estadounidense de California,… …   Wikipedia Español

  • Volcano — Студийный альбом Satyricon Дата выпуска 25 октября 2002 Жанр …   Википедия

  • Volcano W — Bild gesucht  BWf1 Höhe 900 m unter d …   Deutsch Wikipedia

  • volcano- — ❖ ♦ Élément de mots composés, tiré de volcan, et signifiant « volcanique et… » Ex. : volcano sédimentaire, adj. || « Trois couches (…) comportant des niveaux volcano sédimentaires assez grossiers » (la Recherche, janv. 1981, p. 734); volcano… …   Encyclopédie Universelle

  • Volcano — 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… …   The Collaborative International Dictionary of English

  • Volcano — Volcano, HI U.S. Census Designated Place in Hawaii Population (2000): 2231 Housing Units (2000): 1229 Land area (2000): 56.679805 sq. miles (146.800015 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 56.679805… …   StarDict's U.S. Gazetteer Places

  • Volcano, HI — U.S. Census Designated Place in Hawaii Population (2000): 2231 Housing Units (2000): 1229 Land area (2000): 56.679805 sq. miles (146.800015 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 56.679805 sq. miles… …   StarDict's U.S. Gazetteer Places

  • volcano — (n.) 1610s, from It. vulcano burning mountain, from L. Vulcanus Vulcan, Roman god of fire, also fire, flames, volcano (see VULCAN (Cf. Vulcan)). The name was first applied to Mt. Etna by the Romans, who believed it was the forge of Vulcan …   Etymology dictionary

  • volcano — [väl kā′nō, vôlkā′nō] n. pl. volcanoes or volcanos [It < L Volcanus,VULCAN] 1. a vent in the earth s crust through which molten rock (lava), rock fragments, gases, ashes, etc. are ejected from the earth s interior: a volcano is active while… …   English World dictionary

  • Volcāno — Volcāno, 1) Insel aus der Gruppe der Liparischen Inseln, hat feuerspeienden Berg von 1200 Fuß Höhe mit 2 Kratern u. einer Solfatara; viel Schwefel u. Kaninchen; 190 Ew.; 2) Insel aus dem Archipelagus Santa Cruz (Westliches Polynesien), mit einem… …   Pierer's Universal-Lexikon

  • volcano — index outburst Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

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