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

• The result has been 80 years since the first world war of a steady accretion of power to ministers.
  其结果是自第一次世界大战以来内阁大臣们的权力不断扩大的情况已有80年了。
• 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。
• Both halftone dot accretion and relative contrast are the important parameters of printing quality control system based on density.
  网点增大和相对反差是基于密度的印刷质量控制体系中两个重要的控制参数。
• 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
• Coral is formed by a process of accretion.
  珊瑚是通过累积作用而形成的。
• 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 this thesis, using the new model of anomalous viscosity, we discuss the structure of magnetized thin accretion disks, the magnetic instability in the accretion disks and.
  本文主要利用这种全新的反常黏滞机制，讨论了磁化薄吸积盘的结构、吸积盘的磁不稳定性以及反常耗散对磁旋转不稳定性的影响。
• 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
• 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。
• For example, some accretion disks in binary star systems occasionally undergo large, temporary increases in luminosity.
  例如，有些双星系统里的吸积盘，偶尔会短暂地大幅增加亮度。