perturbation

n. 不安, 扰乱, 紊乱, 烦扰 [化] 摄动; 微扰

发音

US

词形变化

perturbations 复数 perturbations

别名

pertubation

释义与例句

n.
  1. 1.

    Agitation; the state of being perturbed.

    不可数 可数
  2. 2.

    A small change in a physical system, or more broadly any definable system (such as a biological or economic system).

    可数 不可数
  3. 3.

    Variation in an orbit due to the influence of external bodies.

    可数 天文 物理 不可数

词汇关系

名词

同义词 4

upset disturbance disruption fluster

上位词 5

influence activity disturbance agitation discomposure

下位词 10

trouble surprise bother fuss breakdown hassle variation dislocation magnetic storm surprisal

相关短语

perturbation theory [化] 微扰理论 cosmological perturbation theory

词源

Borrowed from Middle French perturbation, from Old French perturbacion, from Latin perturbatio.

来源：wiktionary