wind tunnel

a structure designed as a corridor through which air can be blown at controlled velocities and patterns of turbulence. Wind tunnels are mainly used to test the performance of aircraft or other objects or materials in a simulated outdoor environment. They may also be used in experiments to study the effects of wind or changing air pressures on the performance or behavior of humans or nonhuman animals. See also air-pressure effects.

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Psychology term of the day

March 17th 2025

paranoid delusion

loosely, any of a variety of false personal beliefs tenaciously sustained even in the face of incontrovertible evidence to the contrary. These include delusions of grandeur, delusional jealousy, or, most frequently, delusions of persecution.