big bang

1. 1.

   (cosmology) the cosmic explosion that is hypothesized to have marked the origin of the universe

   Broaderexplosion

   cosmology

Questions about big bang

What does big bang mean?

big bang means "(cosmology) the cosmic explosion that is hypothesized to have marked the origin of the universe".

Is big bang a common word?

big bang is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.