| 词汇 | momentum |
| 释义 | momentum noun[ U ] uk /məˈmen.təm/ us /məˈmen.t̬əm/ C2physics specialized the force that keeps an object moving: 动量，冲量;冲力;推动力;势头 Once you push it, it keeps going under its own momentum.一旦你推动了它，它就会在自己的动量作用下持续运动。 The spacecraft will fly around the earth to gain/gather momentum for its trip to Jupiter.航天器将绕着地球飞行以获取飞向木星所需的动力。 the quality that keeps an event developing or making progress after it has started: The play loses momentum (= becomes less interesting, energetic, etc.) by its half way stage. In an attempt to give new momentum to their plans, the committee set a date for starting detailed discussions. We got up the hill through sheer momentum. The campaign has been gaining momentum ever since the television appeal. Opposition to the tax has been gaining momentum. The campaign for an elected mayor seems to have lost momentum. Physics: particular theories & concepts aphelion azimuth conservation cryogenics dark matter emergence emergent kinetics perigee perihelion Planck's constant quantum refraction relativistic relativity speed of sound spring constant time dilation time warp wormhole You can also find related words, phrases, and synonyms in the topics: Speed of motion Continue & last momentum | American Dictionarymomentum noun[ U ] us/moʊˈmen·təm/ physics the force or speed of an object in motion, or the increase in the rate of development of a process: A falling object gains momentum as it falls. Technology seems to create its own momentum – if something can be done, it will be. momentum | Business Englishmomentum noun[ U ] uk /məʊˈmentəm/us the force that keeps an object moving or keeps an event developing after it has started: gain/pick up/gather momentumStocks gained momentum on strong quarterly reports across the tech world. There is worrying evidence that the economy is losing momentum. build/increase/add momentumWe continue to build momentum in our quest to grow our businesses. Election of business oriented leaders gave momentum to new downtown redevelopment. upward/forward/downward momentum business/economic/political momentum Examples of momentummomentum They are usually accompanied by relatively low pressure at their centres, and are a major source of momentum transport towards the walls. Three regions are shown for different trapped particles in momentum space. Theoretical considerations on the momentum and energy transfer to small particles of different material during passage of the measuring volume were discussed. Similarly, any determination of the energy and momentum of the particles demands that we renounce their exact coordination in time and space. The most distinctive feature of quantum theory - the interference of probabilities - is thus expressed equally well in position space and momentum space. Electromagnetic transitions of the low multi-polarity were preferred, as the transition probability decreases with increasing transferred angular momentum. Momentum cannot be ascertained by observing the steady-state velocity of a body unless its mass is known. Equations (12)-(15) represent the important conserved quantities of mass, momentum, the y component of the electric field and entropy. The scalar potential in the continuity and momentum equations is taken as the linear combination of the electrostatic and self-gravitational potential. The pressure tensors in the momentum equations of ions and of electrons play two crucial roles in the collisionless magnetic reconnection. Whether the political will exists or can be generated to maintain this momentum, only the future will tell. For given layer densities and upstream fluid depths, the mass, momentum and energy conservation equations are obtained. In classical mechanics, momentum is the product of the velocity and mass of a moving body. You kept up the momentum, and all your actors kept it up. The laser eventually leaves the electron behind, with no increase in the particle momentum. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Collocations withmomentummomentumThese are words often used in combination with momentum. Click on a collocation to see more examples of it. considerable momentum In the meantime, the bandwagon has gathered considerablemomentum. forward momentum His speeches are sequences of confined, obsessively repeated intervals or patterns that lack any forwardmomentum. gather momentum In the last few years (1971-75) the level of spinsterhood has remained virtually unchanged, but the nuptiality transition appears to have gatheredmomentum. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. See all collocations with momentum |
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