Definition of G-force in English:



mass nounPhysics
  • 1A form of acceleration that causes the accelerating object to experience a force acting in the opposite direction to the acceleration.

    ‘the Harrier banked sharply left and I experienced my first taste of G-force’
    count noun ‘they were spun around in centrifuges, to acclimatize them to G-forces’
    • ‘Should an accident occur on the track in which a critical G-force threshold is exceeded, the LEDs will flash several time.’
    • ‘The G-force the body must withstand on re-entry into Earth's atmosphere - two to three times the gravitational force we experience on the surface - would likely cause bones to crumble.’
    • ‘There's also a built-in G-Force monitor so you can monitor the plane's G-Force while flying and actually see it stay well within a plane's safe limits.’
    • ‘Military fighter pilots experience an average g-force of nine to 12.’
    • ‘"The extreme g-force provided by the centrifuge training provides a close approximation of the rigours of travelling beyond the earth's atmosphere," Mr Dunn said.’
    1. 1.1 The pressure experienced as a result of G-force.
      ‘the G-force presses me back into my seat’
      • ‘G-force pushes and pulls on your body as the pilot throws the plane towards the ground.’
      • ‘I probably went from 0-50 in 2 seconds, maybe less, but you could feel the G forces push you back into your seat.’
      • ‘The air rushes past as G-force thrusts me back into my seat, my fists clenched on the rails and feet planted at either corner of the passenger compartment.’
      • ‘Riders are momentarily lifted out of their seats several times during the ride, and then pinned down by the G-force.’
      • ‘Trying to control the descent is most dangerous, although the urge to let the engine roar and enjoy the G-force pressing gently down on the gut is strong.’


1930s: abbreviation of gravitational force.