Definition of momentum in English:

momentum

noun

mass noun
  • 1Physics
    The quantity of motion of a moving body, measured as a product of its mass and velocity.

    • ‘In contrast, the active medium in the mechanical laser is the intrinsic angular momenta of electrons and nuclei.’
    • ‘As nuclei spin, the balance of factors is perturbed, and at very high angular momenta nuclei may adopt odd shapes resembling peanuts, bananas, jumping jacks, or sea urchins, among others.’
    • ‘By observing the particle types, numbers, and momenta in a jet, one can reconstruct the kinematic and quantum properties of the initially scattered parton.’
    • ‘Most of the particles begin the procedure with positions and momenta that trap them within a well of potential energy; only a few have enough energy to escape over a barrier.’
    • ‘At any time, since the momenta of the two masses are opposite and equal in magnitude, the total momentum of the ‘device’ is zero.’
  • 2The impetus gained by a moving object.

    ‘the vehicle gained momentum as the road dipped’
    • ‘In order to fly, the Manx shearwater must be on a steep incline so as to gain momentum and height in the air.’
    • ‘Sahn pressed the brakes as hard as he could, but now his own speed and momentum were against him.’
    • ‘Scuba divers can glide peacefully once they build up some momentum with a few kicks.’
    • ‘The strip strike set the hook, his speed and momentum carried the fish skywards, head shaking, gills flared.’
    • ‘Its large pointed ears were laid back flat against its head as it gained momentum.’
    • ‘As the herd gained momentum the bells on the lead cows rang out louder and the erratic clanging became a regular tolling.’
    • ‘Why is the law of momentum conservation not violated when a ball rolls down a hill and gains momentum?’
    • ‘The forest of streamers from the wharf to the ship's rail slowly broke as the vessel gained momentum.’
    • ‘Matt's momentum carried him forward, but he used the guys body to spin him in mid air.’
    • ‘That tiny bit of motion gets a little momentum started that eventually builds to the bigger movement you're after.’
    • ‘Racing is all about momentum and carrying speed through corners.’
    • ‘He jumped off when the disk was close, using his earlier momentum to go speeding towards Valshar's body.’
    speed, pace, rate, tempo, impetus
    View synonyms
    1. 2.1 The impetus and driving force gained by the development of a process or course of events.
      ‘the investigation gathered momentum in the spring’
      • ‘He added that crime trends often gathered momentum as word spreads about the profits.’
      • ‘We know that for the peace process to be ultimately successful, that momentum must be maintained.’
      • ‘Only in this way can we endeavor to maintain and build momentum as we close on the objective.’
      • ‘However, the focus will be on how the company intends to contain costs and yet maintain momentum in development and research.’
      • ‘This will surely add momentum to a constitutional process already on that track.’
      • ‘That show of strength forced the opposition to try to regain its momentum.’
      • ‘Such criticisms have gathered momentum following the police mishandling of one particular landmark case.’
      • ‘Sedbergh pressed hard afterwards to build on their momentum but could not force a winning goal.’
      • ‘The campaign to rehabilitate Nietzsche in France swiftly gathered momentum.’
      • ‘Their growth provides the momentum for the whole process of history.’
      • ‘As soon as we see the first signs of a loss of economic momentum in the U.S., pressure will come off the euro.’
      • ‘The process of setting up municipal courts also gained momentum in the course of the year.’
      • ‘To be really successful from the beginning, the peace process needed momentum.’
      • ‘The company has struggled to gain any momentum in revenues and growth since.’
      • ‘Their work created a momentum for development which is still accelerating.’
      • ‘They emanate a kind of spirit and momentum that forces the viewer to look at the world through the eyes of the artist.’
      • ‘It developed its own intellectual momentum and with it an independence from the day-to-day political process.’
      • ‘Started two years back, this concept has now gained momentum and spread throughout the nation.’
      • ‘The sport of competitive gaming has been gaining momentum along with the growth of the industry.’
      • ‘Within a week she was in London on a training course, her enthusiasm rapidly gaining momentum.’
      impetus, energy, force, power, strength, drive, thrust, push, driving power, steam, impulse, speed, velocity
      View synonyms

Origin

Late 17th century: from Latin, from movimentum, from movere ‘to move’.

Pronunciation

momentum

/məˈmɛntəm/