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acceleration

From Wiktionary, the free dictionary
See also:accélération

English

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Alternative forms

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Etymology

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First attested in 1531. FromFrenchaccélération or more likely directly fromLatinaccelerātiō(“a hastening, acceleration”).[1] Equivalent toaccelerate +‎-ion.

Pronunciation

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  • enPR:əksĕlərā'shən,IPA(key): /əkˌsɛl.əˈɹeɪ.ʃən/,/ækˌsɛl.əˈɹeɪ.ʃən/,/ɪkˌsɛl.əˈɹeɪ.ʃən/
  • Audio(US):(file)
  • Rhymes:-eɪʃən
  • Hyphenation:ac‧ce‧le‧ra‧tion

Noun

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acceleration (countable anduncountable,pluralaccelerations)

  1. (uncountable) The act of accelerating, or the state of being accelerated; increase of motion or action; as opposed toretardation ordeceleration.
    A falling body moves toward the earth with anacceleration of velocity.
    • 2022 January 12, Nigel Harris, “Comment: Unhappy start to 2022”, inRAIL, number948, page 3:
      On the East and West Coast Main Lines in the 1950s/60s, for example, we saw the extinction of intermediate stations in order to create the same sort ofaccelerations that IRP is now promising. Back then, the priority was faster main line services, with wayside/intermediate stations paying the ultimate price.
  2. (countable) The amount by which aspeed orvelocity increases (and so ascalar quantity or avector quantity).
    The boosters produce anacceleration of 20 metres per second per second.
    • 1859-1860,Isaac Taylor,Ultimate Civilisation:
      A period of social improvement, or of intellectual advancement, contains within itself a principle ofacceleration[…]
  3. (physics) The change ofvelocity with respect totime (can includedeceleration or changingdirection).
  4. Theadvancement ofstudents at a rate that places them ahead of where they would be in the regular schoolcurriculum.

Usage notes

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Acceleration inSI units is measured inmetres per second per second (m/s2), or inimperial units in feet per second per second (ft/s2).

Antonyms

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Derived terms

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Translations

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act or state
amount
change of velocity with respect to time
education

See also

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References

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  1. ^Elliott K. Dobbie, C. William Dunmore, Robert K. Barnhart, et al. (editors),Chambers Dictionary of Etymology (Chambers Harrap Publishers Ltd, 2004 [1998],→ISBN), page 6

Danish

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Noun

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acceleration c (singular definiteaccelerationen,plural indefiniteaccelerationer)

  1. acceleration

Declension

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Declension ofacceleration
common
gender		singularplural
indefinitedefiniteindefinitedefinite
nominativeaccelerationaccelerationenaccelerationeraccelerationerne
genitiveaccelerationsaccelerationensaccelerationersaccelerationernes

Further reading

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Interlingua

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Noun

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acceleration (pluralaccelerationes)

  1. acceleration

Swedish

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SwedishWikipedia has an article on:
Wikipediasv

Etymology

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accelerera +‎-tion

Noun

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acceleration c

  1. acceleration (increase or increasing of speed, of something concrete or abstract)
  2. (physics)acceleration

Declension

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Declension ofacceleration
nominativegenitive
singularindefiniteaccelerationaccelerations
definiteaccelerationenaccelerationens
pluralindefiniteaccelerationeraccelerationers
definiteaccelerationernaaccelerationernas

Related terms

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References

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Retrieved from "https://en.wiktionary.org/w/index.php?title=acceleration&oldid=87688298"
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