Meaning of “the big bang theory” in the English Dictionary

american-english dictionary

"the big bang theory" in British English

See all translations

the big bang theorynoun [ S ]

/ˌbɪɡ ˈbæŋ ˌθɪə.ri/ /ˌbɪɡ ˈbæŋ ˌθɪr.i/ specialized

the theory that the universe began with a very large explosion of a single mass of matter

(Definition of “the big bang theory” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"big bang theory" in American English

See all translations

big bang theorynoun [ U ]

/ˈbɪɡ ˈbæŋ ˌθɪər·i/

the very large explosion of a single mass of matter that many scientists believe was the beginning of the universe

(Definition of “big bang theory” from the Cambridge Academic Content Dictionary © Cambridge University Press)