accretion是什么意思？

accretion

英[əˈkri:ʃn] 美[əˈkriʃən]

• n. 堆积，<植>连生，添加生长，<天>吸积；

复数：accretions;

例句

• Every culture is an accretion. 每一种文化都是长期积淀的结果。
• accretion of population 人口增加
• Nevertheless, astrophysicists have persisted in their belief that accretion disks are indeed turbulent. 虽然如此, 天文物理学家仍旧坚持信念,认为吸积盘的确是充满乱流扰动的.
• The planetesimals accretions of the Earth obviously have two stages, including initial accretion and late accretion. 这种不均一性起源于前地球阶段堆积星子的不均一性.
• The Thick Accretion Disk Model and Self - gravitating Accretion Disk Model of QSOs. 类星体的厚吸积盘与自引力吸积盘模型.
• This formation, called an accretion disk, may be very important in some stellar birth sequences. 这种构成物即所谓吸积盘, 它在恒星诞生的某些阶段可能是非常重要的.
• The multiple migration - accretion concept of Gruner deserves mention. 格鲁纳的多次迁移 ― ―增长说受到了重视.
• A coral reef is built by the accretion of tiny, identical organisms. 珊瑚礁是由许多相同的微生物不断堆积而成。

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  增加物;添加物
  An accretion is an addition to something, usually one that has been added over a period of time.
  例句
  The script has been gathering editorial accretions for years. 多年来该剧本一直在修改。
• N-UNCOUNT
  添加；累积
  Accretion is the process of new layers or parts being added to something so that it increases in size.
  例句
  A coral reef is built by the accretion of tiny, identical organisms. 珊瑚礁是由许多相同的微生物不断堆积而成。

英汉词典释义

• n.
  添加生长，自然增长
  accretion of population 人口增加
  增加的结果，积成的整体
  Every culture is an accretion. 每一种文化都是长期积淀的结果。
• adj.

英英词典释义

• Noun
  1. an increase by natural growth or addition
  2. something contributing to growth or increase;
  "he scraped away the accretions of paint""the central city surrounded by recent accretions"
  3. (astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
  4. (biology) growth by addition as by the adhesion of parts or particles
  5. (geology) an increase in land resulting from alluvial deposits or water-borne sediment
  6. (law) an increase in a beneficiary's share in an estate (as when a co-beneficiary dies or fails to meet some condition or rejects the inheritance)

行业词典

• 冶金学： 炉结；
  力学： 停滞堆积；
  医学： 增积(加)；增积〔物〕；粘连：正常情况下原分离部分之间形成的不正常粘合；
  地质学： 增生；
  天文学： 吸积；天体因自身的引力俘获其周围物质而使其质量增加的过程。；
  法律： 添附；
  金融： 增值；