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 But Jackson’s quick reflexes shoot his gloves down and momentum drives Epensa into the turf. cleveland, "2020 NFL Draft: Breaking down the top tackles who could help the Cleveland Browns at pick No. 10 -- Film Review," 8 Jan. 2020 Howard grabbed the momentum back, scoring seven straight MU points for a 56-55 lead. Ben Steele, Milwaukee Journal Sentinel, "Providence 81, Marquette 80 (OT): Friars make plays down stretch," 7 Jan. 2020 Winning them is more about momentum and media attention than delegates. NBC News, "If he builds it, will they come? Inside Michael Bloomberg's unconventional 2020 campaign," 7 Jan. 2020 Kimpson told CBS News campaign reporter LaCrai Mitchell Monday that after months of hosting events with candidates, Biden's ability to draw diverse crowds and the steady momentum he's maintained went into his final decision. Caitlin Conant, CBS News, "2020 Daily Trail Markers: Bloomberg embraces straight-talking style to appeal to voters," 6 Jan. 2020 This is impressive momentum for an industry that reached record-high sales of 17.5 million in 2015 and topped that number again in 2016. Clifford Atiyeh, Car and Driver, "Here's What U.S. Auto Sales Looked Like in 2019," 6 Jan. 2020 There isn’t much momentum behind the Bills heading into this wild-card matchup with the Texans, especially on offense. Cameron Dasilva, USA TODAY Sportsbook Wire, "Should you bet on the Buffalo Bills to win Super Bowl LIV?," 3 Jan. 2020 SIG Sauer took the momentum the single-stack 9mm had garnered, turned it on its head and created an entirely new category: the micro compact. John B. Snow, Outdoor Life, "Best Guns of the Decade," 2 Jan. 2020 The Dons grabbed early momentum and raced to a 16-9 lead thanks to some nice drives by Charles Minlend, who scored six early points to put him in USF’s 1,000-point club, the 38th member. John Shea, SFChronicle.com, "St. Mary’s beats USF on the Hilltop in WCC opener,," 2 Jan. 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

11 Jan 2020

Cite this Entry

“Momentum.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/momentum. Accessed 24 January 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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