from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Physics A measure of the motion of a body equal to the product of its mass and velocity. Also called linear momentum.
  • n. Impetus of a physical object in motion.
  • n. Impetus of a nonphysical process, such as an idea or a course of events: The soaring rise in interest rates finally appeared to be losing momentum.
  • n. Philosophy An essential or constituent element; a moment.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. (of a body in motion) the product of its mass and velocity.
  • n. The impetus, either of a body in motion, or of an idea or course of events. (i.e: a moment)

from the GNU version of the Collaborative International Dictionary of English

  • n. The quantity of motion in a moving body, being always proportioned to the quantity of matter multiplied by the velocity; impetus.
  • n. Essential element, or constituent element.
  • n. A property of an activity or course of events, viewed as analogous to forward motion or to physical momentum (def. 1), such that the activity is believed to be able to continue moving forward without further application of force or effort; -- often used to describe an increase in the acquisition of public support for a purpose.

from The Century Dictionary and Cyclopedia

  • n. In mech., the product of the mass and velocity of a body; the quantity of motion of a body.
  • n. An impulse; an impelling force; impetus.
  • n. Constituent or essential element. Compare moment, 6.
  • n. In musical notation, an eighth-rest.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an impelling force or strength
  • n. the product of a body's mass and its velocity


Latin mōmentum, movement, from *movimentum, from movēre, to move; see meuə- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin momentum. (Wiktionary)


  • The way for the visitability movement to gain momentum is by first increasing the awareness and interest in the need for this housing construction practice.

    Do It Myself Blog – Glenda Watson Hyatt » 2009 » July

  • The shift in momentum is being fueled by mainstream news editors who want to keep the action hot, without regard for accuracy.

    Poll of polls: Obama losing ground

  • The word momentum is related to the word moment, and those moments for humility, curiosity, and veracity present themselves every day, in every meeting, with every person.


  • The label momentum dissipation seems to be used in the GCM world more than in other computational fluid dynamics applications.

    Exponential Growth in Physical Systems #2 « Climate Audit

  • The word momentum may be the only way to describe O'Reilly's stock for the better part of the past year.

  • Cricket World Cup 2011: England look to build momentum with a solid win against Bangladesh The word momentum cropped up regularly during the Ashes and it will be on the agenda again for England on Friday as they look to achieve the twin goals of qualifying for the knock-out phase and a measure of consistency. - Telegraph online, Daily Telegraph and Sunday Telegraph

  • Mere Oasis ... or has the title momentum swung to the blue side of Manchester? | Top Stories

  • United looked lacklustre against the Blues without Rooney in the side and Ancelotti believes Rooney's absence has turned the title momentum in Chelsea's favour.


  • Ancelotti believes Rooney's absence has turned the title momentum in Chelsea's favour.

    TEAMtalk Football News

  • One sublime swivel and shot later and the young man with the artful grooming had tilted the title momentum and become a club hero. advertisement



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