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                        1
                           general:: 
                            volcano
verbs 
a volcano erupts 
(= it sends smoke, fire, and rock into the sky )
• The volcano last erupted 50 years ago. 
adjectives 
active 
(= it may erupt at any time )
• Mount Etna is still an active volcano. 
dormant 
(= it has not erupted for a long time )
• Volcanoes can remain dormant for hundreds of years. 
extinct 
(= it does not erupt any more )
• The lake is at the foot of an extinct volcano. 
                        
                        
 
                        
                            transnet.ir
                        
                        
                    
                    
                        2
                           general:: 
                            noun
formed by lava:  
There are active volcanoes in Hawaii.
                        
                        
 
                        
                            Simple Definitions
                        
                        
                    
                    
                        3
                           general:: 
                              noun ADJ.  active, dormant, extinct QUANT.  chain VOLCANO + VERB  erupt An active volcano may erupt at any time.
                        
                        
 
                        
                            Oxford Collocations Dictionary