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
This decade also saw the acceleration of cloud connectivity, enabling web domain expansion and the expansive datafication necessary to train more powerful AI systems.
—
Literary Hub, 28 May 2026
In an era of generative AI, climate instability, and rapid technological acceleration, Panetta believes engineers must be adaptable, ethical, creative, and brave enough to take risks.
—Christopher McFadden, Interesting Engineering, 28 May 2026
As crocodiles are masters of short-range acceleration, the strike itself is astonishingly fast.
—Scott Travers, Forbes.com, 28 May 2026
Things like four-wheel steering, CrabWalk, massive front trunk storage, exportable power for tools or campsites, and instant torque delivery with ridiculous acceleration.
—New Atlas, 27 May 2026
See All Example Sentences for acceleration
Examples are automatically compiled from online sources to
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Literary Hub, 28 May 2026
In an era of generative AI, climate instability, and rapid technological acceleration, Panetta believes engineers must be adaptable, ethical, creative, and brave enough to take risks.
—Christopher McFadden, Interesting Engineering, 28 May 2026
As crocodiles are masters of short-range acceleration, the strike itself is astonishingly fast.
—Scott Travers, Forbes.com, 28 May 2026
Things like four-wheel steering, CrabWalk, massive front trunk storage, exportable power for tools or campsites, and instant torque delivery with ridiculous acceleration.
—New Atlas, 27 May 2026
See All Example Sentences for acceleration
Cite this Entry
“Acceleration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acceleration. Accessed 30 May. 2026.
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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