fluctuation

C2 CET-4 大学 FREQ #37409

n. 变动, 波动, 动摇 [化] 涨落; 起伏; 波动; 脉动

发音

US /flʌkt͡ʃuːˈeɪʃən/

词形变化

fluctuations 复数 fluctuations

别名

fluxuation

教材释义与例句

名词

起伏，波动

释义与例句

n. C2
  1. 1.

    A motion like that of waves; a moving in this and that direction; an irregular rising and falling.

    可数 不可数

    the fluctuations of the sea

  2. 2.

    A wavering; unsteadiness.

    变动

    可数 不可数

    fluctuations of opinion

    fluctuations of prices

  3. 3.

    In medicine, a wave-like motion or undulation of a fluid in a natural or abnormal cavity (e.g. pus in an abscess), which is felt during palpation or percussion.

    可数 不可数

词汇关系

名词

同义词 2

variation wavering

上位词 6

change wave modification alteration irregularity undulation

下位词 10

difference switch tide replacement departure deviation substitution transposition divergence business cycle

相关短语

fluctuation theorem quantum fluctuation

词源

Borrowed from Latin fluctuatiōnem, accusative singular of fluctuatiō, from fluctuō, from fluctus. Morphologically fluctuate + -ion.

来源：wiktionary