accelerator
noun
ac·cel·er·a·tor
ik-ˈse-lə-ˌrā-tər 
ak-
plural accelerators
: one that accelerates: such as
a
: a muscle or nerve that speeds the performance of an action
b
: a device (such as a gas pedal) for increasing the speed of a motor vehicle engine
c
: a substance that speeds a chemical reaction
d
: an apparatus for imparting high velocities to charged particles (such as electrons)
e
: an item of computer hardware that increases the speed at which a program or function operates
a graphics accelerator
Examples of accelerator in a Sentence
Recent Examples on the Web
Ease off the accelerator - Step off the gas to slow down the vehicle until the tires find traction.
—
Star-Telegram Weather Bot, Fort Worth Star-Telegram, 5 Apr. 2026
Ease off the accelerator - Step off the gas to slow down the vehicle until the tires find traction.
—Kansas City Star Weather Bot, Kansas City Star, 3 Apr. 2026
The company’s inclusion in DIANA, NATO’s defence innovation accelerator, underscores the growing institutional interest in such technologies.
—Jijo Malayil, Interesting Engineering, 31 Mar. 2026
When deployed within a platform where the security and scalability foundations are already established, agent skills become a massive accelerator for developers to rapidly build high-value capabilities on top of the platform.
—Mohith Shrivastava, Fortune, 31 Mar. 2026
See All Example Sentences for accelerator
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Star-Telegram Weather Bot, Fort Worth Star-Telegram, 5 Apr. 2026
Ease off the accelerator - Step off the gas to slow down the vehicle until the tires find traction.
—Kansas City Star Weather Bot, Kansas City Star, 3 Apr. 2026
The company’s inclusion in DIANA, NATO’s defence innovation accelerator, underscores the growing institutional interest in such technologies.
—Jijo Malayil, Interesting Engineering, 31 Mar. 2026
When deployed within a platform where the security and scalability foundations are already established, agent skills become a massive accelerator for developers to rapidly build high-value capabilities on top of the platform.
—Mohith Shrivastava, Fortune, 31 Mar. 2026
See All Example Sentences for accelerator
Cite this Entry
“Accelerator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/accelerator. Accessed 5 Apr. 2026.
Copy CitationKids Definition
accelerator
noun
ac·cel·er·a·tor
ik-ˈsel-ə-ˌrāt-ər
ak-
1
: one that accelerates
2
: a device (as a pedal) in a motor vehicle used to control the speed of the motor
3
: a device that is used to give high velocities to charged particles (as electrons and protons)
Medical Definition
accelerator
noun
ac·cel·er·a·tor
ik-ˈsel-ə-ˌrāt-ər, ak-
: one that accelerates: as
a
: a muscle or nerve that speeds the performance of an action
a cardiac accelerator
b
: a substance that speeds a chemical reaction
c
: an apparatus for imparting high velocities to charged particles (as electrons)
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