Definition of volcano noun from the Oxford Advanced Learner's Dictionary



BrE BrE//vɒlˈkeɪnəʊ//
; NAmE NAmE//vɑːlˈkeɪnoʊ//
, NAmE//vɔːlˈkeɪnoʊ//
(pl. volcanoes, volcanos) Mountains and valleys, Natural disasters
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a mountain with a large opening at the top through which gases and lava (= hot liquid rock) are forced out into the air, or have been in the past An active volcano may erupt at any time. a dormant volcano (= one that is not active at present) an extinct volcano (= one that is no longer active) a volcano spewing red hot lava Wordfinderaltitude, foothill, mountain, peak, precipice, ridge, slope, summit, valley, volcano See related entries: Mountains and valleys, Natural disasters Word Originearly 17th cent.: from Italian, from Latin Volcanus ‘Vulcan’ (the Roman god of fire).
See the Oxford Advanced American Dictionary entry: volcano