fluctuation.
A motion like that of waves; a moving in this and that direction; an irregular rising and falling.
Meaning & usage
A motion like that of waves; a moving in this and that direction; an irregular rising and falling.
the fluctuations of the sea
A wavering; unsteadiness.
fluctuations of opinion
fluctuations of prices
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.
Where this word comes from
Borrowed from Latin fluctuatiōnem, accusative singular of fluctuatiō, from fluctuō, from fluctus. Morphologically fluctuate + -ion.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.