sound barrier

noun

Definition of sound barrier

: a sudden large increase in aerodynamic drag that occurs as the speed of an aircraft approaches the speed of sound

Examples of sound barrier in a Sentence

Recent Examples on the Web All of this is certainly disheartening for the clientele of luxury jet operator Flexjet, the lead customer for the AS2, which had surely hoped to experience the thrill of breaking the sound barrier while shaving valuable minutes off business trips. Paul Sillers, CNN, 28 May 2021 Ratcliffe said elements that are hard to explain in these unreleased sightings include movements that are hard to replicate or traveling at speeds that exceed the sound barrier without creating a sonic boom. Dustin Barnes, USA TODAY, 23 Mar. 2021 Zachary Harrell, a Navy spokesman, who noted that planes breaking the sound barrier are required to do it far off the coast. John Wilkens, San Diego Union-Tribune, 13 Mar. 2021 Fifth, sound barrier walls were required throughout the route to mitigate noise and visual pollution. John E. Diehl, Star Tribune, 24 Feb. 2021 First, though, NASA has to crack the sound barrier. Eric Adams, Wired, 17 Feb. 2021 Pence, himself the father and father-in-law of two airmen, praised the first man ever to break the sound barrier. Carly Roman, Washington Examiner, 15 Jan. 2021 Fifty years ago, aviator Chuck Yeager was the first to break the sound barrier. Rob Verger, Popular Science, 8 Dec. 2020 After the war, the West Virginia native became a test pilot -- and the first person to break the sound barrier. oregonlive, 28 Dec. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sound barrier.' 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 sound barrier

1939, in the meaning defined above

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Time Traveler for sound barrier

Time Traveler

The first known use of sound barrier was in 1939

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Statistics for sound barrier

Last Updated

5 Jun 2021

Cite this Entry

“Sound barrier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sound%20barrier. Accessed 14 Jun. 2021.

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More from Merriam-Webster on sound barrier

Britannica.com: Encyclopedia article about sound barrier

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