accretion

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ac·cre·tion /əˈkriːʃən/ noun [countable, uncountable] formal  1. a layer of a substance which slowly forms on something 积聚层，堆积层2. a gradual process by which new things are added and something gradually changes or gets bigger 增加；增大

Examples from the Corpus

accretion• The public sector continued to grow through a process of bureaucratic accretion financed by economic growth.• This is perhaps because the later accretions are somewhat dwarfed amid the towering Gothic architecture.• The surface of the Moon is the result of accretion and of subsequent impacts and slow-acting erosional processes.• Erosion or accretion of sand by wind action is evident throughout and soil genesis is truncated by erosion or fossilised by deposition.• Coral growth and the accretion of sediments in coastal mangroves will compensate.From Longman Business Dictionaryaccretionac‧cre‧tion /əˈkriːʃən/ noun [countable, uncountable] a slow, gradual increase in an amount, level, value etcWe will solve our trade problem not by big contracts, but by an accretion of hundreds of smaller deals.Origin accretion (1600-1700) Latin accretio, from accrescere, from ad- “to” + crescere “to grow”

ac·cre·tion nounChineseSyllable  

forms slowly Business substance Corpus a a of which layer

accretion
ac‧cre‧tion /əˈkriːʃən/ noun [uncountable and countable] formal1. a layer of a substance which slowly forms on something
2. a gradual process by which new things are added and something gradually changes or gets bigger

ac·cre·tionBrE /əˈkriːʃn/ 🔊NAmE /əˈkriːʃn/ 🔊 noun (specialist or formal) [countable] a layer of a substance or a piece of matter that is slowly added to sth 积聚层；堆积层 [uncountable] the process of new layers or matter being slowly added to sth 堆积，积聚（过程）