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

That’s changing with the latest macOS 10.14.2 update, which allows Duet to finally enable full hardware acceleration. Chaim Gartenberg, The Verge, "Duet Display gets full hardware acceleration to function as a real external monitor," 6 Dec. 2018 Eric Ellis is a principal at Kotter, a leadership and strategy acceleration firm. Eric Ellis, Fortune, "2 Things That Need to Happen for Driverless Cars to Go Mainstream," 28 June 2018 The real story is the incredible acceleration of technology, artificial intelligence, data gathering and monitoring. NBC News, "U.S. officials prepare to thwart Chinese spying at Singapore summit," 8 June 2018 If there is a bigger sudden acceleration, which indicates a stronger kick (and therefore a rider who wants more speed more quickly), the motor offers greater assistance. Kevin Dupzyk, Popular Mechanics, "How an Electric Scooter Works," 1 May 2018 The leading indicators are designed to provide advance signals of the acceleration and slowdown of economic activity, and are based on a variety of data series that have a history of anticipating such swings. Paul Hannon, WSJ, "OECD Sees Further Slowdown in Global Economy This Year," 14 Jan. 2019 Here's where the acceleration and braking really came into play. Matt Hranek, Condé Nast Traveler, "Great Drives: Speeding Through the French Countryside in the Audi A8," 25 Sep. 2018 ProPilot Assist requires a hand on the steering wheel, but automates braking, acceleration and staying in your lane. Mark Phelan, Detroit Free Press, "Your next car may be safer than you think. Thanks, autonomy.," 17 May 2018 Electronic suspensions on some cars allow drivers to tune them for comfort or track, while acceleration and handling aids enable amateurs to pretend to be pros. Casey Williams, chicagotribune.com, "Why make high-performance, low-selling car models? 'Because we can.'," 5 Apr. 2018

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

1 May 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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