Definition of hypersonic in English:

hypersonic

adjective

  • 1Relating to speeds of more than five times the speed of sound (Mach 5)

    • ‘At such hypersonic speeds, planes could fly around the world in a matter of hours.’
    • ‘Their record on clocking school buses at hypersonic speeds is not noted.’
    • ‘The rifle fires steel spikes at near hypersonic speeds, using a magnetic system to power it.’
    • ‘They were made with a material that could stand hypersonic speeds.’
    • ‘Astronauts and cosmonauts have all reached hypersonic speeds while passing through the atmosphere on their way to or from orbit.’
    • ‘He suddenly felt like he was rocketing skyward at hypersonic speed.’
    • ‘In the case of X - 43, the thrust will propel the vehicle at hypersonic speeds up to Mach 10.’
    • ‘When a particle slams into it at hypersonic speeds, the particle bores its way in and gradually comes to a stop, intact.’
    • ‘Going at hypersonic speed, everything that David passed was a giant blur.’
    • ‘The multi-year project, called X - 43C, will expand the hypersonic flight envelope for air-breathing engines.’
    • ‘The two main contenders are hypersonic ramjets or scramjets and nanotube-based space elevators.’
    • ‘The M45 propulsion system has three-stage solid fuel rocket motors producing hypersonic speed.’
    • ‘To recap, the X - 43A is a prototype hypersonic aircraft, powered by a ‘scramjet’.’
    • ‘NASA today convened a board to determine the cause of Saturday's loss of the first X - 43A unpiloted hypersonic research aircraft.’
    • ‘The X - 43A is the first aircraft to reach hypersonic speeds using an air-breathing engine.’
    • ‘Last year's successful Mach 10 hypersonic flight of the X - 43A proved the concept.’
    • ‘A single shooter employing this hypersonic weapon can cover 49 times the area reachable with a conventional cruise weapon.’
    • ‘The US space's experimental hypersonic research aircraft, the X - 43A, could one day revolutionise long-distance travel.’
    • ‘There have also been joint efforts to build a hypersonic aircraft for commercial purposes.’
    • ‘He remembered the planning for hypersonic flight, faster than five times the speed of sound, leading up to the X - 15 program.’
  • 2Relating to sound frequencies above about a thousand million hertz.

    • ‘We've heard hypersonic sound.’

Origin

1930s ( hypersonic): from hyper- beyond, exceeding on the pattern of supersonic and ultrasonic.

Pronunciation:

hypersonic

/ˌhīpərˈsänik/