Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun big-bang_theory

1 sense of big-bang theory

Sense 1
big-bang theory, big bang theory -- ((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)
       => scientific theory -- (a theory that explains scientific observations; "scientific theories must be falsifiable")