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.

    • ‘At any time, since the momenta of the two masses are opposite and equal in magnitude, the total momentum of the ‘device’ is zero.’
    • ‘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.’
    • ‘By observing the particle types, numbers, and momenta in a jet, one can reconstruct the kinematic and quantum properties of the initially scattered parton.’
    • ‘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.’
    • ‘In contrast, the active medium in the mechanical laser is the intrinsic angular momenta of electrons and nuclei.’
  • 2The impetus gained by a moving object.

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