The physical disturbance of the water's surface by the drop of alcohol.

He said there was no physical disturbance on the plane.

The movements involved in walking or other physical disturbances can contribute to the problem.

No way could he afford the physical disturbance involved in speaking.

Anna O. was subject to both physical and psychological disturbances, such as not being able to drink out of fear.

The building is built into a hillside to minimize the physical and visual disturbance to the land.

This life history trait allows rapid population recovery from physical disturbances such as storms.

The activity of the detergent causes physical disturbance which agitates the solution.

The pressure of tourists on the environment here is great with a considerable problem of litter, noise and physical disturbance.

But this supposition did not in the least explain the other physical disturbances.