Urdu Meanings, Pronounciation and Synonyms:
big bang theory
(Pronunciation -تلفظ سنیۓ )
US: 
Slow
Normal
Noun: big bang theory
| 1. big bang theory [ Synonyms: big-bang theory] | |
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(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
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