momentum

noun
mo·​men·​tum | \ mō-ˈmen-təm How to pronounce momentum (audio) , mə- \
plural momenta\ mō-​ˈmen-​tə How to pronounce momentum (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 This momentum has also pushed the stock up considerably in recent weeks. Trefis Team, Forbes, 14 Sep. 2021 By Tuesday, though, the question was whether there would be room for either of them, whether Campbell’s late momentum could carry her into the final. BostonGlobe.com, 14 Sep. 2021 Jackson took over with the stadium rocking and the momentum swinging. Jonas Shaffer, baltimoresun.com, 14 Sep. 2021 The recall also election gives Democrats a chance — along with Virginia’s gubernatorial race in November — to test potential playbooks and to generate momentum going into difficult midterm elections. Editors, USA TODAY, 13 Sep. 2021 Mistakes on offense and a ridiculous 75-yard touchdown pass from Patrick Mahomes to Tyreek Hill helped swing the momentum – and the lead - to the Chiefs. Scott Patsko, cleveland, 13 Sep. 2021 Mahomes had plenty of help: Hill finished with 11 catches for 197 yards and that momentum-shifting touchdown, and Kelce had a pair of touchdown catches, including the go-ahead score with 7:02 remaining in the game. Dave Skretta, ajc, 13 Sep. 2021 The Global Campaign for Equal Nationality Rights said there was growing momentum to address the issue with more than 20 countries having amended discriminatory citizenship laws since 2003, but added that reforms were often partial. Emma Batha, The Christian Science Monitor, 13 Sep. 2021 The Buckeyes did get two more possessions, though one was with just 20 seconds left, but the momentum killer came on the penalty. James Crepea | The Oregonian/oregonlive, oregonlive, 13 Sep. 2021

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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Dictionary Entries Near momentum

momentous

momentum

momie cloth

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Statistics for momentum

Last Updated

16 Sep 2021

Cite this Entry

“Momentum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/momentum. Accessed 16 Sep. 2021.

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More Definitions for momentum

momentum

noun

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
: 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 momentum (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

More from Merriam-Webster on momentum

Nglish: Translation of momentum for Spanish Speakers

Britannica English: Translation of momentum for Arabic Speakers

Britannica.com: Encyclopedia article about momentum

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