momentum

noun
mo·​men·​tum | \ mō-ˈmen-təm How to pronounce momentum (audio) , mə- \
plural momenta\ mō-​ˈmen-​tə How to pronounce momenta (audio) , mə-​ \ or momentums

Definition of momentum

1 : a property (see property sense 1a) of a moving body that the body has by virtue of its mass (see mass entry 2 sense 1c) and motion and that is equal to the product of the body's mass and velocity broadly : a property of a moving body that determines the length of time required to bring it to rest when under the action of a constant force or moment
2 : strength or force gained by motion or by a series of events The wagon gained momentum as it rolled down the hill.

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Examples of momentum in a Sentence

The company has had a successful year and hopes to maintain its momentum by introducing new products. The movie loses momentum toward the end.
Recent Examples on the Web Town Councilor Harriet Dickerson sees the election results as a new beginning for residents and said the council believes there is new momentum to improve the town for its residents. Sydnee Gonzalez, The Salt Lake Tribune, "A tiny Utah town tried to wipe itself off the map, but fell a few votes short," 12 Sep. 2020 Har-Ber coach Chris Wood said the early stops stunted his team’s momentum. Arkansas Online, "Greenwood cruises past Springdale Har-Ber," 12 Sep. 2020 Some Democrats fear a possible Trump momentum gain in Nevada, with the president showing increasing support from Latinos and non-college education white voters, two important constituencies in the state. Jonathan Lemire And Scott Sonner, Anchorage Daily News, "Trump looks west, eyeing new paths to White House," 12 Sep. 2020 The Bulldogs turned momentum their way early in the second half. Buddy Collings, orlandosentinel.com, "Foundation turns back Mount Dora Christian," 12 Sep. 2020 While Swift skipped the extended rollout prior to the album's release with Folklore, she's taken a page from many of the most successful artists in 2020 and shifted her focus to keeping the set's momentum going after its release. Andrew Unterberger, Billboard, "Taylor Swift's Surprise Set 'Folklore' Had 2020's Biggest Debut -- Here's How It's Still on Top Five Weeks Later," 11 Sep. 2020 The match started slowly as both teams looked to establish momentum. Dave Woodall, NOLA.com, "Mandeville edges Pope John Paul II in 5-set thriller," 11 Sep. 2020 How much does reaching the larger-than-life game create momentum on the field and revenue off it? Ron Kroichick, SFChronicle.com, "Will 49ers still get a Super Bowl bounce after coronavirus-ravaged offseason?," 11 Sep. 2020 Still, the British driver has five more opportunities to turn that around and build a little momentum to cap 2020. Nathan Brown, The Indianapolis Star, "IndyCar midseason report cards: Where do teams stand with five races left in 2020?," 11 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'momentum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of momentum

1610, in the meaning defined at sense 1

History and Etymology for momentum

New Latin, from Latin, movement

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Time Traveler for momentum

Time Traveler

The first known use of momentum was in 1610

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Statistics for momentum

Last Updated

15 Sep 2020

Cite this Entry

“Momentum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/momentum. Accessed 26 Sep. 2020.

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More Definitions for momentum

momentum

noun
How to pronounce momentum (audio)

English Language Learners Definition of momentum

: the strength or force that something has when it is moving
: the strength or force that allows something to continue or to grow stronger or faster as time passes
physics : the property that a moving object has due to its mass and its motion

momentum

noun
mo·​men·​tum | \ mō-ˈmen-təm How to pronounce momentum (audio) \

Kids Definition of momentum

: the force that a moving body has because of its weight and motion

momentum

noun
mo·​men·​tum | \ mō-ˈment-əm, mə-ˈment- How to pronounce momentum (audio) \
plural momenta\ -​ˈment-​ə How to pronounce momenta (audio) \ or momentums

Medical Definition of momentum

: a property of a moving body that the body has by virtue of its mass and motion and that is equal to the product of the body's mass and velocity broadly : a property of a moving body that determines the length of time required to bring it to rest when under the action of a constant force

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Comments on momentum

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