Meaning of the word "big bang" in English

What does "big bang" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

big bang

US /ˈbɪɡ ˈbæŋ/
UK /ˈbɪɡ ˈbæŋ/
"big bang" picture

Noun

1.

the rapid expansion of matter from a state of extremely high density and temperature that according to current cosmological theories marked the origin of the universe

Example:
The Big Bang theory explains the origin of the universe.
Scientists continue to gather evidence supporting the Big Bang model.
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