accelerator
noun
ac·cel·er·a·tor
| \ ik-ˈse-lə-ˌrā-tər
, ak-\
, ak-\
Definition of accelerator
: one that accelerates: such as
a
: a muscle or nerve that speeds the performance of an action
b
: a device (such as a pedal) for controlling 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
Investigators say the girl hit the accelerator, striking Vazquez, one of his dogs and a tree. — Fox News, "Texas dad charged with homicide after 12-year-old daughter crashes SUV into man and his dog," 17 Aug. 2019 Suddenly, the car accelerated forward, into the traffic lane, as though someone had pressed the accelerator pedal to the floor. — Freep.com, "FREE PRESS INVESTIGATION: OUT OF GEAR Ford knew Focus, Fiesta models had flawed transmission, sold them anyway," 11 July 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'accelerator.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Keep scrolling for more
Keep scrolling for more
More Definitions for accelerator
accelerator
noun
English Language Learners Definition of accelerator
: a pedal in a vehicle that is pressed down to make the vehicle go faster
technical
: a machine that causes charged particles (such as electrons and protons) to move at extremely high speeds
See the full definition for accelerator in the English Language Learners Dictionary
accelerator
noun
ac·cel·er·a·tor
| \ ak-ˈse-lə-ˌrā-tər
\
\
Kids Definition of accelerator
: a pedal in an automobile for controlling the speed of the motor
accelerator
noun
ac·cel·er·a·tor
| \ ik-ˈsel-ə-ˌrāt-ər, ak-
\
\
Medical Definition of accelerator
: 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)
Keep scrolling for more