[] to happen or to make sth happen faster or earlier than expected 使加快；加速◆Technological change is accelerating. 技术变革的步伐在加快。◆The company has announced it is accelerating its cost-cutting programme. 该公司宣布正在加快推行其成本削减计划。OPPdecelerate
[] (about the economy) to increase in activity so that demand for goods increases （指经济）增长（因而增加对货品的需求）◆Will consumption slow before the global economy starts to accelerate? 全球经济开始加速之前，消费会减缓吗？OPPdecelerate
() [] to demand that a debt is paid back at once or more quickly than first agreed, because the person who has borrowed the money has failed to make regular payments 催促﹙还款﹚◆Their major investor is now seeking to accelerate the loan. 他们的主要投资者正试图催还贷款。
▸acceleration /əkˌseləˈreɪʃn/
noun
[; ]◆a sharp acceleration in the rate of economic growth 经济增长率的急剧加速