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Big-bang theory   /bɪg-bæŋ θˈɪri/   Listen
Big-bang theory

noun
1.
(cosmology) the theory that the universe originated sometime between 10 billion and 20 billion years ago from the cataclysmic explosion of a small volume of matter at extremely high density and temperature.  Synonym: big bang theory.






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Words linked to "Big-bang theory" :   cosmology, cosmogony, scientific theory, cosmogeny



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