accelerate

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accelerate

  • /əkˈsɛl.əˌɹeɪt/ UK
  • /ækˈsɛl.əˌɹeɪt/ UK
  • /ɪkˈsɛl.əˌɹeɪt/ UK
  • /ɪkˈsɛl.əˌɹeɪt/ Canada, US
  • /əkˈsɛl.əˌɹeɪt/
  • /əkˈsel.əˌɹæɪt/ Australia, New Zealand

Where it comes from

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-Indo-European *-h₂tiinflu.

Proto-Italic *-ājō

Proto-Italic *-āō

Latin -ō

Latin celerō

Latin accelerō

Latin accelerātuslbor.

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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

First attested in the 1520s. Either from Latin accelerātus, perfect passive participle of accelerō (“to accelerate, hasten”) (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), formed from ad + celerō (“to hasten”), which is from celer (“quick”) (see celerity), or back-formation from acceleration.

verb accelerates · accelerating · accelerated

  1. transitive To cause to move faster; to quicken the motion of; to add to the speed of.
  2. transitive To quicken the natural or ordinary progression or process of. to accelerate the growth of a plant, the increase of wealth, etc.
  3. transitive To cause a change of velocity.
  4. transitive To hasten, as the occurrence of an event. to accelerate our departure
  5. transitive To enable a student to finish a course of study in less than normal time.
  6. intransitive To become faster; to begin to move more quickly. The car began to accelerate as soon as the light turned green.
  7. intransitive Grow; increase.

Similar: quicken, speed up

adjective

  1. archaic, not comparable Accelerated; quickened; hastened; hurried. ... a general knowledg of the definition of motion, and of the distinction of natural and violent, even and accelerate, and the like, sufficing.

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