accelerate

التعريفات والمعاني

== English == === Etymology === 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. === Pronunciation === (Received Pronunciation) IPA(key): /əkˈsɛl.əˌɹeɪt/, /ækˈsɛl.əˌɹeɪt/, /ɪkˈsɛl.əˌɹeɪt/ (General American) IPA(key): /ɪkˈsɛl.əˌɹeɪt/ (weak vowel merger) IPA(key): /əkˈsɛl.əˌɹeɪt/ === Verb === accelerate (third-person singular simple present accelerates, present participle accelerating, simple past and past participle accelerated) (transitive) To cause to move faster; to quicken the motion of; to add to the speed of. (transitive) To quicken the natural or ordinary progression or process of. (transitive, physics) To cause a change of velocity. (transitive) To hasten, as the occurrence of an event. (transitive, education) To enable a student to finish a course of study in less than normal time. (intransitive) To become faster; to begin to move more quickly. (intransitive) Grow; increase. (Can we add an example for this sense?) ==== Synonyms ==== (to cause to move faster): hasten, quicken, speed up; see also Thesaurus:speed up (to quicken progress): expedite, further, (to hasten the occurrence of an event): advance, forward ==== Antonyms ==== decelerate retard unaccelerate ==== Derived terms ==== ==== Related terms ==== ==== Translations ==== === Adjective === accelerate (not comparable) (archaic) Accelerated; quickened; hastened; hurried. === References === John A. Simpson and Edmund S. C. Weiner, editors (1989), “accelerate”, in The Oxford English Dictionary, 2nd edition, Oxford: Clarendon Press, →ISBN. == Italian == === Etymology 1 === ==== Adjective ==== accelerate f pl feminine plural of accelerato ==== Participle ==== accelerate f pl feminine plural of accelerato === Etymology 2 === ==== Verb ==== accelerate inflection of accelerare: second-person plural present indicative second-person plural imperative == Latin == === Verb === accelerāte second-person plural present active imperative of accelerō