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

• 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。
• In fact, this process of accretion is more efficient at releasing energy than even nuclear processes.
  事实上，这种聚集过程的能量释放比原子能释放过程更加有效。
• 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
• 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。
• 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
• And astronomers, in fact, have seen evidence of spiral-wave patterns in accretion disks in some binary systems.
  事实上天文学家已在一些双星系统的吸积盘中，看见螺旋波图样的证据。
• The script has been gathering editorial accretions for years.
  多年来该剧本一直在修改。
• 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。
• Indicator of evolution history of early solar nebula& accretion and formation process of different type of meteorite parent body
  早期太阳星云演化历史的指示剂&不同类型陨石母体的吸积和形成过程
• 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。