Big-Bang Theory
nounverified·updated May 18, 2026
(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
MWE
Classifications
Entity Type
Unknown—glossary_import_default_pending_classifier
?unassignedlast reviewed —
Sensitivity
unclassified
Information Class
unclassified
Variants
- synonym
- big bang theorybig-bang theory
- alternatephrasing
- Big Bang Theory
- plural
- Big-Bang Theories
- possessive
- Big-Bang Theory's
- pluralpossessive
- Big-Bang Theories'