accretion

英 [əˈkriːʃn]

美 [əˈkriːʃn]

n.  积聚层; 堆积层; 堆积，积聚(过程)

复数：accretions　

GRE化学

BNC.22082 / COCA.17492

牛津词典

noun

• 积聚层；堆积层
  a layer of a substance that is slowly added to sth
• 堆积，积聚（过程）
  the process of new layers being slowly added to sth

柯林斯词典

• N-COUNT 增加物;添加物
  Anaccretionis an addition to something, usually one that has been added over a period of time.
  1. 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
  Accretionis the process of new layers or parts being added to something so that it increases in size.
  1. 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。

英英释义

noun

• (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)
• an increase by natural growth or addition
  Synonym:accumulation
• (geology) an increase in land resulting from alluvial deposits or waterborne sediment
• (biology) growth by addition as by the adhesion of parts or particles
• (astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
• something contributing to growth or increase
  1. he scraped away the accretions of paint
  2. the central city surrounded by recent accretions

双语例句

• Easy to operate, store jerrican accretion, reduce the labor density.
  操作方便，贮油桶油量增大，减少操作者劳动密度。
• The model comprising accretion onto a neutron star or black hole companion must still be considered a favored hypothesis.
  在中子星或黑洞伴星上发生吸积的模型，仍应看成是一个有价值的假说。
• The Accretion of Global Cosmic Strings in the Nonlinear Gravitational Theory
  非线性引力理论中整体宇宙弦的吸积
• Volume change of mass, accretion state and haemorrhagia amount during the operation were analyzed.
  观察动脉灌注化疗栓塞前后肿块的大小变化、术中肿块粘连状况及出血量的多少。
• Coral is formed by a process of accretion.
  珊瑚是通过累积作用而形成的。
• Infalling gas may first collide not only with itself but with an accretion disk of swirling material surrounding the black hole.
  正在下落的气体不但会先和自身发生碰撞，还会和黑洞周围盘旋着的物质吸积盘相互碰撞。
• The Mass and Angular Momentum Loss from the Edge of the Accretion disc and the Evolution of Cataclysmic Binaries
  吸积盘边缘的质量和角动量损失与激变双星的演化
• Analysis Methods and Its Development about Effect of Ice Accretion on Aircraft Flight Dynamics Characteristics
  结冰对飞机动力学特性影响的分析方法及其进展
• A numerical simulation approach is presented to simulate the ice accretion on airfoil which can deal with the ice accretion under various atmospheric conditions.
  提出了一种适用于各种结冰气象条件下飞机机翼结冰过程的数值模拟方法。
• It is well known that accretion disks are hydrodynamic disks with anomalous viscosity.
  天体物理吸积盘是具有反常粘滞的流体盘。