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volcano

noun [C]
 
 
/vɒlˈkeɪ.nəʊ/ US  /vɑːlˈkeɪ.noʊ/ (plural volcanoes or volcanos)

Definition

B2 a mountain with a large, circular hole at the top through which lava (= hot liquid rock) gases, steam, and dust are or have been forced out: an extinct/dormant volcano an active volcano Erupting volcanoes discharge massive quantities of dust into the stratosphere.Earthquakes and volcanic eruptionsHills and mountains volcanic
 
 
/-ˈkæn.ɪk/ adjective
volcanic ash/activity/rockEarthquakes and volcanic eruptionsHills and mountains
(Definition of volcano noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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