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pedesis

/pɪˈdiː.sɪs/

翻译: 悬浮在液体或气体中的微小粒子由于与周围分子碰撞而产生的随机、无规则的运动。

1 个条目

noun

/pɪˈdiː.sɪs/C2formalscientific
  • zh悬浮在液体或气体中的微小粒子由于与周围分子碰撞而产生的随机、无规则的运动。

The random, erratic motion of microscopic particles suspended in a fluid, resulting from collisions with surrounding molecules.

不可数

  1. Brownian motionC2formalscientific

    The random, erratic movement of microscopic particles suspended in a fluid (liquid or gas) caused by collisions with molecules of the surrounding medium.

    zh布朗运动

    • The phenomenon of pedesis was first observed by Robert Brown.
    • Pedesis is a key piece of evidence for the kinetic theory of matter.
    • Under a microscope, one can clearly observe the pedesis of pollen grains in water.

    同义词brownian motionbrownian movement