acceleration
noun
ac·cel·er·a·tion
ik-ˌse-lə-ˈrā-shən 
(ˌ)ak-
1
a
: 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.
Recent Examples on the Web
Taiwan Semiconductor Manufacturing signaled an acceleration in artificial intelligence chips, which was lending support to beat-up chip stocks.
—
Jim Cramer, CNBC, 17 Apr. 2025
Co-developed by Toyota, the Subaru EV had ho-hum looks, average acceleration, just acceptable range and unsatisfactory charging infrastructure.
—Peter Lyon, Forbes.com, 16 Apr. 2025
The developer has shown through a traffic analysis that the impact would be minute but has added an acceleration and deceleration lane at the entrance to allow for an even smaller impact.
—Rachel Royster, Fort Worth Star-Telegram, 16 Apr. 2025
Vertical lines on the supercar’s deeply scalloped door coves give it a sense of acceleration, even while standing still, and reflect the handsome bronze of the car’s custom wheels.
—Brett Berk, Robb Report, 15 Apr. 2025
See All Example Sentences for acceleration
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Jim Cramer, CNBC, 17 Apr. 2025
Co-developed by Toyota, the Subaru EV had ho-hum looks, average acceleration, just acceptable range and unsatisfactory charging infrastructure.
—Peter Lyon, Forbes.com, 16 Apr. 2025
The developer has shown through a traffic analysis that the impact would be minute but has added an acceleration and deceleration lane at the entrance to allow for an even smaller impact.
—Rachel Royster, Fort Worth Star-Telegram, 16 Apr. 2025
Vertical lines on the supercar’s deeply scalloped door coves give it a sense of acceleration, even while standing still, and reflect the handsome bronze of the car’s custom wheels.
—Brett Berk, Robb Report, 15 Apr. 2025
See All Example Sentences for acceleration
Cite this Entry
“Acceleration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acceleration. Accessed 24 Apr. 2025.
Copy CitationKids Definition
acceleration
noun
ac·cel·er·a·tion
ik-ˌsel-ə-ˈrā-shən
ak-
1
: the act or process of accelerating : the state of being accelerated
2
: the rate of change of velocity with respect to time
also
: change in velocity
Medical Definition
acceleration
noun
ac·cel·er·a·tion
ik-ˌsel-ə-ˈrā-shən, (ˌ)ak-
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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