big bang

noun

Definition of big bang

: 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 — compare big crunch, big rip

Examples of big bang in a Sentence

Recent Examples on the Web Think of it as the little something that gives a big bang. Rand Richards Cooper, courant.com, "Review: Lucky Taco Cantina and Tap Room in Manchester wows with its creative takes on tacos," 19 Sep. 2019 No one was injured by the explosions, but the big bangs spread fear through the region. oregonlive, "‘BPA Bomber’ threatened to cause blackout in Portland 45 years ago; FBI followed duck calls to get their man," 14 Nov. 2019 Was Cleveland Rising — organized by a diverse group of community leaders as a grassroots challenge to complacency and the status quo — a big bang or a flash in the pan? Steven Litt, cleveland, "Cleveland Rising summit: Big bang, or flash in the pan? — Analysis," 3 Nov. 2019 And then, of course, the big bang of democratic expansion after the fall of the Berlin Wall and the Soviet Union. Eric Johnson, Vox, "The wrong US response to Russia and China may trigger a “new Cold War,” warns Stanford University’s Larry Diamond," 7 Aug. 2019 The big bang for this agency is setting good standards. Jamie L. Lareau, Detroit Free Press, "Traffic safety agency says its critics are wrong about its lack of toughness," 22 July 2019 Both contributed to our modern understanding of the big bang, black holes, galaxies and other cosmic matters. John Horgan, WSJ, "‘Brief Answers to the Big Questions’ and ‘On the Future’ Review: Serious Doubt on Serious Earth," 18 Oct. 2018 The universe sprang into existence in the big bang as a hot, dense soup of subatomic particles. Adrian Cho, Science | AAAS, "Galaxy simulations are at last matching reality—and producing surprising insights into cosmic evolution," 30 May 2018 USA TODAY Sports PHILADELPHIA – Time to get the biggest bang yet for their buck. Jarrett Bell, USA TODAY, "Eagles lean on wrecking-ball defensive line for playoff boost," 11 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'big bang.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of big bang

1949, in the meaning defined above

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The first known use of big bang was in 1949

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Last Updated

3 Dec 2019

Cite this Entry

“Big bang.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/big%20bang. Accessed 10 December 2019.

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