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TOEFL IELTS BNC: 5328 COCA: 4925

accelerate

verb
 
/əkˈseləreɪt/
/əkˈseləreɪt/
Verb Forms
present simple I / you / we / they accelerate
/əkˈseləreɪt/
/əkˈseləreɪt/
he / she / it accelerates
/əkˈseləreɪts/
/əkˈseləreɪts/
past simple accelerated
/əkˈseləreɪtɪd/
/əkˈseləreɪtɪd/
past participle accelerated
/əkˈseləreɪtɪd/
/əkˈseləreɪtɪd/
-ing form accelerating
/əkˈseləreɪtɪŋ/
/əkˈseləreɪtɪŋ/
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  1.  
    [intransitive, transitive] to happen faster or earlier; to make something happen faster or earlier（使）加速，加快
    • Inflation continues to accelerate.通货膨胀不断加速。
    • accelerate something Exposure to the sun can accelerate the ageing process.暴露在日光下会加快老化过程。
    Extra Examples
    • Government policy has greatly accelerated the decline of the small farmer.政府的政策大大加速了小农的衰落。
    • Population growth accelerated only after 1750.人口增长仅在1750年后加速。
    • The epidemic is accelerating dramatically.该流行病正以惊人的速度蔓延。
    • The pace of change has begun to accelerate.变革的步伐已经开始加快。
    • factors which may accelerate inflation可能加速通货膨胀的因素
    • rapidly accelerating social change快速加速的社会变革
    • Environmental factors can accelerate the development of certain cancers.环境因素可能会加快某些癌症的发展。
    • He vowed to intensify efforts to accelerate the structural reform of the economy.他誓言要加大努力，加快经济结构改革。
    Topics Change, cause and effectc1
    Oxford Collocations Dictionaryadverb
    • dramatically
    • greatly
    • rapidly
    • …
    See full entry
  2.  
    [intransitive] (of a vehicle or person车辆或人) to start to go faster加速；加快
    • The runners accelerated smoothly around the bend.赛跑运动员在转弯处顺势加速。
    • The car accelerated to overtake me.那辆汽车加速超过了我。
    • The car purred into life and accelerated away.那辆轿车轰隆隆地发动起来，然后加速开走了。
    Wordfinder
    Topics Physics and chemistryc1, Transport by car or lorryc1
    Oxford Collocations Dictionaryadverb
    • hard
    • quickly
    • smoothly
    • …
    See full entry
    3. opposite decelerate
    Word Originearly 16th cent. (in the sense to make something happen faster): from Latin accelerat- ‘hastened’, from the verb accelerare, from ad- ‘towards’ + celer ‘swift’.
TOEFL IELTS BNC: 5328 COCA: 4925
accelerate

verb¹

 1go faster增速；加快ADVERB➤hard, quickly猛地加速；飛快提速▸➤smoothly平穩加速◇The runners accelerated smoothly around the bend.選手們跑過彎道時平穩加速。➤suddenly突然增速▸➤away (especially BrE) 加速離開◇The car purred into life and accelerated away.那輛轎車轟隆隆地發動起來，然後加速開走了。
accelerate

verb²

 2develop quickly快速發展ADVERB➤dramatically, greatly, rapidly, sharply極速／高速／快速／飛速發展◇The epidemic is accelerating dramatically.該流行病正以驚人的速度蔓延。➤significantly有重大發展
TOEFL IELTS BNC: 5328 COCA: 4925
accelerate

verb

accelerate ♦︎ speed (sth) up ♦︎ speed ♦︎ hasten ♦︎ quickenThese words all mean to go faster or make sth happen faster. 这些词均表示加速、加快。PATTERNS AND COLLOCATIONS 句型和搭配◆to accelerate / speed up / speed / hasten / quicken the pace / progress (of sth)◆to accelerate / speed up / speed / hasten the development (of sth)◆to accelerate / speed / hasten the death of sb / sth◆to greatly accelerate / speed up / speed / hasten sth■ accelerate əkˈseləreɪt [intransitive, transitive](of a vehicle or person) to start to go faster; to happen or make sth happen faster or sooner than expected （交通工具或人）加速，加快；使加速◆The car accelerated to overtake me.那辆车加速超过了我。◆Inflation continues to accelerate.通货膨胀持续加速。◆Exposure to the sun can accelerate the ageing process.暴露在日光下会加快衰老过程。OPP retard ⇨ hold sb/sth up , decelerate ⓘ Decelerate is more formal than accelerate, used mostly in writing. * decelerate比accelerate正式，多用于书面语◆ (formal, written) Economic growth decelerated sharply in January.1月份经济增长大幅减缓。 ▸ acceleration əkˌseləˈreɪʃn

noun

 [uncountable, singular] ◆a car with good acceleration加速性能良好的汽车◆an acceleration in the rate of growth增长加速■ ˌspeed ˈup■ ˌspeed sth ˈup

phrasal verb

(speeded, speeded) (rather informal) to move or happen faster; to make sth move or happen faster （使）加速◆The train soon speeded up.火车很快加速了。◆Can you try and speed things up a bit?你能不能设法加快一点事情的进度？◆They have speeded up production of the new car.他们已经加速生产那款新车。 OPP slow down ⓘ The opposite is slow down. * speed (sth) up的反义词是slow down◆Slow down! I can't keep up with you.慢一点！我跟不上你了。 ■ speed (speeded, speeded) [transitive] (written) to make sth happen sooner or faster, especially sb/sth's recovery or the development of sth 加快（康复）；促进（发展）◆The drugs will speed her recovery.这些药会促进她的康复。◆More is needed to speed the development of a safe and effective vaccine.需要更多的投入以加快研发一种安全有效的疫苗。  see also speedy ⇨ quick NOTE 辨析 Speed sth up or speed? Speed is more formal than speed sth up and it is used to talk about making things happen faster but not vehicles moving faster. * speed比speed sth up正式，指加快事情的发生和发展，但不指交通工具的加速◆The train soon speeded.   see also speed ⇨ fly 2 ■ hasten ˈheɪsn [transitive] (written) to make sth happen sooner or faster, especially the death, destruction or end of sb/sth 促进，加快（死亡、毁灭或结束）◆The treatment she received may, in fact, have hastened her death.实际上，她所接受的治疗可能加快了她的死亡。◆News of the scandal certainly hastened his departure from office.这一丑闻肯定加速了他的离任。 OPP delay ⇨ delay ■ quicken [intransitive, transitive] (written) to become faster; to make sth faster （使）加快，加速◆She felt her heartbeat quicken as he approached.他走过来时，她觉得心跳加速了。◆He quickened his pace to catch up with them.他加快脚步赶上他们。ⓘ Quicken is often used to talk about sth that is connected with living and the body, such as sb's heartbeat, pulse, breathing or pace. * quicken的对象常与生活和身体相关，常用的搭配词有heartbeat、pulse、breathing、pace等。 OPP slacken ⓘ The opposite is slacken. * quicken的反义词是slacken◆She slackened her pace a little (= walked more slowly).她略微放慢了脚步。
TOEFL IELTS BNC: 5328 COCA: 4925
accelerate
To go faster, or to make something go faster: speed up, accelerate, quicken...

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