Definition of sound barrier in English:

sound barrier

Pronunciation /ˈsoun(d) ˌberēər/ /ˈsaʊn(d) ˌbɛriər/


the sound barrier
  • The increased drag, reduced controllability, and other effects which occur when an aircraft approaches the speed of sound, formerly regarded as an obstacle to supersonic flight.

    • ‘On its third flight, the aircraft broke the sound barrier, reaching a speed of Mach 1.1.’
    • ‘The shock waves set up when you go through the sound barrier also add to drag.’
    • ‘As a result, an aircraft creates a sudden discontinuity in pressure and temperature called a shock wave as it breaks the sound barrier.’
    • ‘Despite its name, the sonic boom cloud doesn't always come with a sonic boom, and it's not a shock wave of the sound barrier being broken.’
    • ‘If you want to see something really cool, check out this very short video clip of an aircraft breaking the sound barrier - in slow motion.’
    • ‘In 1969, Concorde prototype 001 broke the sound barrier on a test flight in France.’
    • ‘That is a jet supposedly breaking the sound barrier.’
    • ‘To get a plane to fly through the sound barrier, this shockwave has to be tamed.’
    • ‘Perhaps part of the whip moves faster than the speed of sound, around 750 miles an hour, and the clap of noise comes as the sound barrier is broken.’
    • ‘Concorde 001 broke the sound barrier for the first time during a test flight in France.’
    • ‘They are streaking by at speeds that come close to breaking the sound barrier.’
    • ‘Seniors and aerodynamics aficionados might remember that on this day in 1947, a maverick U.S. Air Force pilot broke the sound barrier.’
    • ‘Their sound system starting up was like having Concorde breaking the sound barrier above your head; it was absolutely deafening.’
    • ‘You only get some vibration, you get a fair bit of wing-tip vibration as you come back down through the sound barrier, but by then you're almost home anyway.’
    • ‘In 1952, Lean undertook his first production for Alexander Korda: The Sound Barrier - a well-received film about a pilot who manages to break the sound barrier.’
    • ‘It wasn't until the following year that Concorde finally broke the sound barrier, and another six until it entered commercial service, but the technology was sixties through and through.’
    • ‘Flying just below the sound barrier, the ride tends to be bumpy and unpredictable because shock waves form around the airplane as it approaches Mach 1.’
    • ‘But wait a few seconds and you'll definitely hear and feel something: the shock it creates when breaking the sound barrier.’
    • ‘If all goes according to plan, she'll break the sound barrier on the way down - becoming the first human to do so without help from a plane or rocket.’
    • ‘Stearns will break the sound barrier in her record-setting jump as she plummets toward the earth at more than 800 mph.’


sound barrier

/ˈsoun(d) ˌberēər/ /ˈsaʊn(d) ˌbɛriər/