English Explanatory Dictionary

accelerator

English dictionary entry

Meanings

noun
  1. One who, or that which, accelerates.
  2. A device for causing acceleration.
  3. A substance which speeds up chemical reactions.
  4. A pedal causing the vehicle to accelerate when it is pressed.
  5. A chemical that reduces development time.
  6. A device that accelerates charged subatomic particles; a particle accelerator.
  7. A muscle or nerve that speeds the performance of an action.
  8. An accelerator key.
  9. A computer component using dedicated hardware to accelerate the processing and display of graphics.
  10. A light van to take mails between a post office and a railway station.
  11. A mentoring program for startup companies.

Pronunciation

/əkˈsɛl.əˌɹeɪ.tɚ/ /ækˈsɛl.əˌɹeɪ.tɚ/ /ɪkˈsɛl.əˌɹeɪ.tɚ/ en-us-accelerator.ogg

Word forms

accelerator accelerators

Etymology

Etymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *kel-der. Latin celer Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Italic *-āō Latin -ō Latin celerō Latin accelerō Latin accelerātuslbor. ▲ Latin accelerō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin accelerātiōder. English accelerationbf. English accelerate Proto-Indo-European *-tōr Proto-Italic *-tōr Latin -tor Latin -ātor Old French -eorbor. Middle English -our ▲ Latin -torlbor. English -or English accelerator * First attested in 1611. * (motor vehicle): First attested in 1900. * accelerate + -or

Synonyms

gas pedal gas throttle go pedal particle accelerator atom smasher

Derived words

accelerator card accelerator effect accelerator key other element accelerator mass spectrometry accelerator nerves nerves that speed up a bodily function accelerator pedal a pedal used to control a vehicle's speed antiaccelerator cardioaccelerator hit the accelerator laser-plasma accelerator particle accelerator plasma accelerator plasma wakefield accelerator preaccelerator a device that speeds up computer processing a key which a user can press to activate a menu
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