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
With crypto adoption and acceleration continuing in 2025, the year is increasingly looking like the year stablecoins go definitively mainstream.
—
Sean Stein Smith, Forbes.com, 4 Apr. 2025
China's significant reductions in air pollution over the past 15 years have inadvertently contributed to an acceleration in global warming, according to a new international study.
—Lee Habeeb, MSNBC Newsweek, 3 Apr. 2025
Putting the pedal to the metal requires full concentration, since acceleration from zero to 60 mph takes just 4.5 seconds.
—Michael Van Runkle, Robb Report, 2 Apr. 2025
But for the most part, the hitter’s sweet spot of a 34-inch-long bat — where batters hope to connect with maximum acceleration and mass — is several inches down from the end and just above where the manufacturer's label is marked.
—David K. Li, NBC news, 31 Mar. 2025
See All Example Sentences for acceleration
Examples are automatically compiled from online sources to
show current usage.
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Sean Stein Smith, Forbes.com, 4 Apr. 2025
China's significant reductions in air pollution over the past 15 years have inadvertently contributed to an acceleration in global warming, according to a new international study.
—Lee Habeeb, MSNBC Newsweek, 3 Apr. 2025
Putting the pedal to the metal requires full concentration, since acceleration from zero to 60 mph takes just 4.5 seconds.
—Michael Van Runkle, Robb Report, 2 Apr. 2025
But for the most part, the hitter’s sweet spot of a 34-inch-long bat — where batters hope to connect with maximum acceleration and mass — is several inches down from the end and just above where the manufacturer's label is marked.
—David K. Li, NBC news, 31 Mar. 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 15 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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