acceleration

noun
ac·​cel·​er·​a·​tion | \ ik-ˌse-lə-ˈrā-shən How to pronounce acceleration (audio) , (ˌ)ak-\

Definition of acceleration

1a : the act or process of moving faster or happening more quickly : the act or process of accelerating rapid acceleration the acceleration of economic growth
b : ability to accelerate a car with good acceleration
2 physics : the rate of change of velocity with respect to time broadly : change of velocity

Examples of acceleration in a Sentence

The car delivers quick acceleration. There has been some acceleration in economic growth. There has been an acceleration in economic growth.
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Recent Examples on the Web

Clearly, his understanding of acceleration for an object in circular motion enabled him to calculate the precise speed required, for a pipe of this diameter, to keep wheels on concrete all the way around. Wired, "How to Rip a Crazy Skateboard Loop With Physics," 6 Sep. 2019 Some analysts say slower traffic growth coincided with an acceleration in new-store openings as other high-end coffee shops were springing up in urban areas. Julie Jargon, WSJ, "Starbucks CEO Kevin Johnson Reins In Predecessor’s Ambitions: ‘I’m Not Howard’," 7 Jan. 2019 The announcement today of Nvidia's new GPUs with integrated acceleration of raytracing makes Microsoft's plans for DirectX even more relevant. Peter Bright, Ars Technica, "Raytracing explained: Nvidia, Microsoft lead the way in revolutionizing gaming graphics," 20 Aug. 2018 GoCycle opted for a very small front-hub motor that relies on your legs for that initial burst of acceleration. Thomas Ricker, The Verge, "GoCycle GX e-bike review: fast, fun, and foldable," 29 July 2019 Changes in that distance could be translated into local measurements of the acceleration due to gravity. Chris Lee, Ars Technica, "Satellites play chase to measure gravity, achieve picometer accuracy," 23 July 2019 Its three modes let everyone from beginners to experts enjoy a slower, more energy-efficient ride or experience the thrill of instant acceleration. Time, "We Rode Boosted's New Rev Electric Scooter. Here's What it's Like," 11 July 2019 And a feeling of acceleration accessible only to you and fighter pilots. Alexander George, Popular Mechanics, "How To Get Started in Motorcycles," 8 July 2019 The lack of acceleration in wage growth suggests that this recovery is still incomplete. Washington Post, "U.S. economy added 224,000 jobs and the unemployment rate is 3.7%.," 5 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'acceleration.' 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 acceleration

15th century, in the meaning defined at sense 1a

History and Etymology for acceleration

borrowed from Anglo-French & Latin; Anglo-French acceleratiun, borrowed from Latin accelerātiōn-, accelerātiō, from accelerāre "to accelerate" + -tiōn-, -tiō, suffix of action nouns

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Statistics for acceleration

Last Updated

18 Sep 2019

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Time Traveler for acceleration

The first known use of acceleration was in the 15th century

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More Definitions for acceleration

acceleration

noun
ac·​cel·​er·​a·​tion | \ ak-ˌse-lə-ˈrā-shən How to pronounce acceleration (audio) \

Kids Definition of acceleration

: the act or process of speeding up

acceleration

noun
ac·​cel·​er·​a·​tion | \ ik-ˌsel-ə-ˈrā-shən, (ˌ)ak- How to pronounce acceleration (audio) \

Medical Definition of acceleration

1 : the act or process of accelerating : the state of being accelerated
2 : change of velocity also : the rate of this change
3 : advancement in mental growth or achievement beyond the average for one's age

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