English Explanatory Dictionary

fluctuation

English dictionary entry

Meanings

noun
  1. A motion like that of waves; a moving in this and that direction; an irregular rising and falling.
  2. A wavering; unsteadiness.
  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.

Pronunciation

/flʌkt͡ʃuːˈeɪʃən/ LL-Q1860 (eng)-Vininn126-fluctuation.wav

Word forms

fluctuation fluctuations

Etymology

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

Related words

fluctuate

Derived words

cofluctuation fluctuational fluctuation theorem microfluctuation quantum fluctuation refluctuation

Translations

Arabic: تَأْرْجُح Arabic: تَقَلُّب Catalan: fluctuació Chinese Mandarin: 波動 /波动 Esperanto: fluktuado Finnish: heilahtelu Finnish: huojunta French: fluctuation German: Schwankung Hungarian: hullámzás Japanese: 波動 Polish: wahanie Polish: falowanie Portuguese: flutuação Portuguese: ondulação Russian: колеба́ние Spanish: fluctuación Ukrainian: колива́ння Ukrainian: флукту́ація
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