big bang

English Thesaurus

1. (cosmology) the cosmic explosion that is hypothesized to have marked the origin of the universe (noun.event)

hypernym	:	blowup, detonation, explosion,
definition	:	a violent release of energy caused by a chemical or nuclear reaction (noun.event)

domain category	:	cosmogeny, cosmogony, cosmology,
definition	:	the branch of astrophysics that studies the origin and evolution and structure of the universe (noun.cognition)