disturbance
UK: dɪˈstɜːbəns | US: dɪˈstɜːrbəns
n. an interruption of a state of peace or quiet
n. a disorderly outburst or tumult
n. (ecology) a temporary change in environmental conditions affecting an ecosystem
The word "disturbance" originates from Latin disturbare (dis- "apart" + turbare "to agitate"), reflecting the idea of breaking apart calmness or order. The root turb (seen in "turbulent" or "perturb") carries the core meaning of agitation or chaos. Over time, the suffix -ance solidified its role as a noun denoting the result or state of being disturbed, evolving into its modern usage for disruptions in peace, order, or natural systems.
The loud construction noise caused a significant disturbance in the neighborhood.
The political rally led to a public disturbance requiring police intervention.
Small disturbances in the forest ecosystem can have long-term effects on biodiversity.
She complained to the hotel staff about the disturbance from the adjacent room.
The scientist studied the disturbance patterns in the ocean currents.