Definition of erupt verb from the Oxford Advanced American Dictionary

     

    erupt

     verb
    verb
    NAmE//ɪˈrʌpt//
     
    Verb Forms present simple I / you / we / they erupt
     
    he / she / it erupts
     
    past simple erupted
     
    -ing form erupting
     
     
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  1. 1 [intransitive, transitive] when a volcano erupts or burning rocks, smoke, etc. erupt or are erupted, the burning rocks, etc. are thrown out from the volcano The volcano could erupt at any time. erupt from something Ash began to erupt from the crater. erupt something An immense volume of rocks and molten lava was erupted. Thesaurusexplodeblow up go off burst erupt detonateThese are all words that can be used when something bursts apart violently, causing damage or injury.explode to burst loudly and violently, causing damage; to make something burst in this way:The jet smashed into a hillside and exploded. The bomb was exploded under controlled conditions.blow (something) up (somewhat informal) to be destroyed by an explosion; to destroy something by an explosion:A police officer was killed when her car blew up.go off (of a bomb) to explode; (of a gun) to be fired:The bomb went off in a crowded street. When used about guns, the choice of go off (instead of “be fired”) can suggest that the gun was fired by accident.burst to break open or apart, especially because of pressure from inside; to make something break in this way:A water pipe burst and flooded the kitchen.erupt (of a volcano) to throw out burning rocks and smoke; (of burning rocks and smoke) to be thrown out of a volcano:Mount St. Helens erupted in 1980.detonate (somewhat formal) (of a bomb) to explode; to make a bomb explode:Two other bombs failed to detonate.Patterns a bomb explodes/blows up/goes off/bursts/detonates a car/plane/vehicle explodes/blows up a firework/rocket explodes/goes off
  2. 2[intransitive] to start happening, suddenly and violently synonym break out Violence erupted outside the embassy gates. erupt into something The unrest erupted into revolution.
  3. 3[intransitive, transitive] to suddenly express your feelings very strongly, especially by shouting loudly When Davis scored for the third time the crowd erupted. erupt in/into something My father just erupted into fury. + speech “How dare you?” she erupted.
  4. 4[intransitive] (of spots, etc.) to suddenly appear on your skin A rash had erupted all over his chest.
NAmE//ɪˈrʌpʃn//
 
noun [countable, uncountable] a major volcanic eruption an eruption of violent protest skin rashes and eruptions
See the Oxford Advanced Learner's Dictionary entry: erupt