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单词 volcano
释义

WordReference Random House Learner's Dictionary of American English © 2024
vol•ca•no /vɑlˈkeɪnoʊ/USA pronunciation   n. [countable], pl. -noes, -nos. 
  1. Geologya vent in the earth's crust through which lava, steam, ashes, etc., are given off, either continuously or at intervals.
  2. Geologya mountain or hill, usually having a cuplike crater at the top, that was formed around such a vent from the ash and lava that were given off from it.

WordReference Random House Unabridged Dictionary of American English © 2024
vol•ca•no  (vol kānō),USA pronunciation n., pl. -noes, -nos. 
  1. Geologya vent in the earth's crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals.
  2. Geologya mountain or hill, usually having a cuplike crater at the summit, formed around such a vent from the ash and lava expelled through it.
  • Latin Volcānus, variant of Vulcānus Vulcan
  • Italian
  • 1605–15

Collins Concise English Dictionary © HarperCollins Publishers::
volcano /vɒlˈkeɪnəʊ/ n ( pl -noes, -nos)
  1. an opening in the earth's crust from which molten lava, rock fragments, ashes, dust, and gases are ejected from below the earth's surface
  2. a mountain formed from volcanic material ejected from a vent in a central crater
Etymology: 17th Century: from Italian, from Latin Volcānus Vulcan1, whose forges were believed to be responsible for volcanic rumblings
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