bigbig bang theory
big bang (English) [ IPA: ˈbɪg ˈbæŋ ASM: বিগ বেং]
Contributed by: Bikram M Baruah on 2007-11-12
1. Astronomy(Abstract Noun) The initial explosion at the beginning of time (some 13.7 billion years ago) through which the universe came into being from an enormously dense state, according to a cosmological theory by the same name. The theory further states that the universe is expanding ever since.