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
That hasn't always been standard in the automotive industry; in 2010, Toyota recalled millions of vehicles after thousands of complaints of unintended acceleration.
—
Brian Barrett, WIRED, 19 Apr. 2024
Small businesses’ inflation issues mirror the acceleration in the increase of the consumer price index this year, from a 3.1% annual rate in January to 3.5% in March.
—Bywill Daniel, Fortune, 10 Apr. 2024
See all Example Sentences for acceleration 
Brian Barrett, WIRED, 19 Apr. 2024
Small businesses’ inflation issues mirror the acceleration in the increase of the consumer price index this year, from a 3.1% annual rate in January to 3.5% in March.
—Bywill Daniel, Fortune, 10 Apr. 2024
See all Example Sentences for acceleration
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'acceleration.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near acceleration
Cite this Entry
“Acceleration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acceleration. Accessed 3 May. 2024.
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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