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 shown that magnetic fields in the Sun and astrophysical accretion disks are of a spatially intermittent nature.
  太阳和天体物理吸积盘中的磁场是一种空间间歇的磁流。
• 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
• The ice accretion geometric characteristics have complex effects on airfoil aerodynamic coefficients.
  积冰几何形状对翼型气动系数的影响是复杂的。
• 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
• It is useful to solve accretion of estimation error and filter divergence in practice.
  这将有助于解决卡尔曼滤波器在实际应用中估计误差增大和滤波发散等问题。
• 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
• 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。
• 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。
• 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 script has been gathering editorial accretions for years.
  多年来该剧本一直在修改。