big bang
noun
: the cosmic explosion that marked the beginning of the universe according to the big bang theory
In 1965 Arno A. Penzias and Robert W. Wilson of the Bell Telephone Laboratories discovered that the space of the universe is bathed with a diffuse radiation that is assumed to persist following the "big bang" expansion of the universe from an original fireball.—
V. L. Ginzburg
V. L. GinzburgThe first stars and galaxies formed something like 300 million years after the big bang.—Joel Achenbach
compare big crunch, big rip
Joel AchenbachExamples of big bang in a Sentence
Recent Examples on the Web
As one of the cheaper gravel shoes, this shoe is big bang for your bucks.
—
Kieran Alger,
Wired News,
5 Mar. 2026
The company makes several flavors in beef, venison, and turkey recipes—taco-seasoned, jalapeño, habanero, and smoky barbecue—giving you a big bang of flavor.
—
Andrea Strong,
Bon Appetit Magazine,
12 Jan. 2026
Still, Carey will be gearing up for a big bang come New Year's as she's scheduled to perform in the 2026 Winter Olympics opening ceremony at Milano’s San Siro Olympic Stadium.
—
Michelle Lee,
PEOPLE,
17 Dec. 2025
Every weapon in the MBV arsenal swarms every piece of you from every direction at once, a harmonic big bang.
—
Jazz Monroe,
Pitchfork,
28 Nov. 2025
See All Example Sentences for big bang
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Kieran Alger,
Wired News,
5 Mar. 2026
The company makes several flavors in beef, venison, and turkey recipes—taco-seasoned, jalapeño, habanero, and smoky barbecue—giving you a big bang of flavor.
—
Andrea Strong,
Bon Appetit Magazine,
12 Jan. 2026
Still, Carey will be gearing up for a big bang come New Year's as she's scheduled to perform in the 2026 Winter Olympics opening ceremony at Milano’s San Siro Olympic Stadium.
—
Michelle Lee,
PEOPLE,
17 Dec. 2025
Every weapon in the MBV arsenal swarms every piece of you from every direction at once, a harmonic big bang.
—
Jazz Monroe,
Pitchfork,
28 Nov. 2025
See All Example Sentences for big bang
Cite this Entry
“Big bang.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/big%20bang. Accessed 5 Jul. 2026.
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