accelerator

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English

Etymology

  • First attested in 1611.
  • (motor vehicle): First attested in 1900.
  • accelerate +‎ -or

Pronunciation

  • (US) IPA(key): /ək.ˈsɛl.ə.ˌɹeɪ.tɚ/, /æk.ˈsɛl.ə.ˌɹeɪ.tɚ/, /ɪk.ˈsɛl.ə.ˌɹeɪ.tɚ/
    • Audio (US)(file)

Noun

accelerator (plural accelerators)

  1. One who, or that which, accelerates.
    The Second World War is said to have been a great accelerator for many scientific findings.
  2. A device for causing acceleration.
  3. (chemistry) A substance which speeds up chemical reactions.
  4. (vehicles) A pedal causing the vehicle to accelerate when it is pressed.
    As soon as you get onto the slipway, push the accelerator.
  5. (photography) A chemical that reduces development time.
  6. (physics) A device that accelerates charged subatomic particles; a particle accelerator.
  7. (physiology, medicine) A muscle or nerve that speeds the performance of an action.
  8. (computing) An accelerator key.
    • 2002, Davis Howard Chapman, Sams Teach Yourself Visual C++ .NET in 21 Days, page 187:
      If they had allowed single-character accelerators, Windows wouldn't be able to determine whether the character was input or a shortcut.
  9. (computing) A computer component using dedicated hardware to accelerate the processing and display of graphics.
  10. (historical) A light van to take mails between a post office and a railway station.
  11. (business) A mentoring program for startup companies.
    • 2016 October 3, Tad Friend, “Sam Altman’s Manifest Destiny”, in The New Yorker‎:
      In the nineties, before the accelerator era, startups were usually launched by mid-career engineers or repeat entrepreneurs, who sought millions in venture capital and then labored in secret on something complicated that took years to launch.

Synonyms

(accelerator pedal):

(accelerates subatomic particles):

Derived terms

Translations

computing: accelerator key — see accelerator key

Anagrams

Latin

Verb

accelerātor

  1. second/third-person singular future passive imperative of accelerō

Romanian

Etymology

Borrowed from French accélérateur. Equivalent to accelera +‎ -tor.

Adjective

accelerator m or n (feminine singular acceleratoare, masculine plural acceleratori, feminine and neuter plural acceleratoare)

  1. accelerative

Declension

Declension of accelerator
singular plural
masculine neuter feminine masculine neuter feminine
nominative/
accusative 		indefinite accelerator acceleratoare acceleratori acceleratoare
definite acceleratorul acceleratoarea acceleratorii acceleratoarele
genitive/
dative 		indefinite accelerator acceleratoare acceleratori acceleratoare
definite acceleratorului acceleratoarei acceleratorilor acceleratoarelor

Swedish

Noun

accelerator c

  1. (chemistry) accelerator; a substance which speeds up chemical reactions.
  2. (physics) accelerator; a device which accelerates different kinds of particles to large velocities

Declension

Declension of accelerator 
Singular Plural
Indefinite Definite Indefinite Definite
Nominative accelerator acceleratorn acceleratorer acceleratorerna
Genitive accelerators acceleratorns acceleratorers acceleratorernas
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