| English noun: big bang theory | |||
| 1. | big bang theory (cognition) (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 | ||
| Synonyms | big-bang theory | ||
| Broader (hypernym) | scientific theory | ||
| Domain category | cosmogeny, cosmogony, cosmology | ||