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
vent — vent1 [vent] n. [ME venten < OFr venter, to blow (or aphetic < OFr esventer, to expose to the air, let out < es , out + venter) < VL * ventare < L ventus,WIND2] 1. Rare the action of escaping or passing out, or the means or… … English World dictionary
Vent — may refer to:* Volcano, an opening in the Earth s surface which allows molten rock, ash and gases to escape ** Deep sea vent, or black smoker , a type of hydrothermal vent found on the ocean floor *Plumbing drainage venting, pipes leading from… … Wikipedia
volcano — ► NOUN (pl. volcanoes or volcanos) ▪ a mountain or hill having a crater or vent through which lava, rock fragments, hot vapour, and gas are or have been erupted from the earth s crust. ORIGIN from Latin Volcanus Vulcan , the Roman god of fire … English terms dictionary
volcano — /vol kay noh/, n., pl. volcanoes, volcanos. 1. a vent in the earth s crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. 2. a mountain or hill, usually having a cuplike crater at the summit,… … Universalium
Volcano — This article is about the geological feature. For other uses, see Volcano (disambiguation) … Wikipedia
volcano — ALASKA VOLCANO OBSERVATORY GLOSSARY 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. GLOSSARY OF VOLCANIC TERMS A… … Glossary of volcanic terms
Volcano (film) — Infobox Film name = Volcano caption = Volcano theatrical poster director = Mick Jackson producer = Stokely ChaffinMartha CottonAndrew Z. DavisNeal H. Moritz writer = Jerome ArmstrongBilly Ray starring = Tommy Lee JonesAnne HecheDon CheadleGaby… … Wikipedia
Volcano (disambiguation) — A volcano is a geological landform usually generated by the eruption through a vent in a planet s surface of magma.Volcano may also refer to:* Volcano (film), a 20th Century Fox action drama film starring Tommy Lee Jones. * Volcano, California, a … Wikipedia
vent — ALASKA VOLCANO OBSERVATORY GLOSSARY An opening in the Earth s surface through which magma erupts or volcanic gases are emitted. GLOSSARY OF VOLCANIC TERMS A surface opening through which volcanogenic materials are erupted (Davidson and DeSilva,… … Glossary of volcanic terms