perturbation.
Agitation; the state of being perturbed.
Meaning & usage
Agitation; the state of being perturbed.
A small change in a physical system, or more broadly any definable system (such as a biological or economic system).
Variation in an orbit due to the influence of external bodies.
Where this word comes from
Borrowed from Middle French perturbation, from Old French perturbacion, from Latin perturbatio.
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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.