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volcano - definition and synonyms

 
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noun [countable] volcano pronunciation in British English /vɒlˈkeɪnəʊ/
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singularvolcano
pluralvolcanoes or volcanos

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volcano at dawn
By Boaworm (Own work) [CC BY 3.0 License], via Wikimedia Commons
  1. a mountain that forces hot gas, rocks, ash, and lava (=melted rock) into the air through a hole at the top. Some volcanoes are not immediately dangerous because they are not active and have become dormant. Others will never be dangerous again because they are completely extinct

    The volcano last erupted over fifty years ago.

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a start-up … whose value has reached more than one billion US dollars

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an afternoon full of crafts

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