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Definition of supercontinent noun from the Oxford Advanced American Dictionary

 

supercontinent

 noun
noun
NAmE//ˈsupərˌkɑntənənt//
 
, NAmE//ˈsupərˌkɑntn̩ənt//
 
(geology)
 
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any of the very large areas of land, for example Gondwana or Laurasia, that existed millions of years ago
See supercontinent in the Oxford Advanced Learner's Dictionary
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