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 pastAn 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volcano may erupt at any time.a dormant volcano (= one that is not active at present)an extinct volcano (= one that is no longer active)a volcano spewing red hot lavaWordfindermountainaltitude,foothill,mountain,peak,precipice,ridge,slope,summit,valley,volcanoOxford Collocations Dictionaryadjectiveactive,dormant,extinct,…… of volcanoeschainvolcano + verberupt,spew something,spew something out,…Seefull entrySee related entries:Mountains and valleys,Natural disastersWord Originearly 17th cent.: from Italian, from Latin Volcanus ‘Vulcan’ (the Roman god of fire).
See volcano in the Oxford Learner's Dictionary of Academic EnglishSee volcano in the Oxford Advanced American Dictionary
