perturbation
disruption, disturbance
noun pehr-toor-bah-SYOHN Rare
Origin: Latin perturbatio, from perturbare (to throw into disorder)
Also means
perturbation (scientific)
Usage Note
Perturbation is used broadly for any disruption — une perturbation du trafic (traffic disruption), des perturbations atmosphériques (atmospheric disturbances, as on a weather forecast). In physics and mathematics the word retains its technical sense of a small deviation from a system's equilibrium. The verb perturber and adjective perturbé are very common: un vol perturbé (a disrupted flight), un enfant perturbé (a troubled child).
Examples
"Des perturbations sont prévues sur les trains."
Natural Translation
Disruptions are expected on the trains.
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