- the lag in response exhibited by a body in reacting to changes in the forces, especially magnetic forces, affecting it.Compare magnetic hysteresis.
- the phenomenon exhibited by a system, often a ferromagnetic or imperfectly elastic material, in which the reaction of the system to changes is dependent upon its past reactions to change.
Origin of hysteresis
Examples from the Web for hysteresis
Historical Examples of hysteresis
Like Newton and the falling apple, Levy and the hysteresis in the warp field.Planet of the Damned
This is the phenomenon called later "hysteresis," and studied in minute detail by Ewing and others.Lord Kelvin
The life warmth of hysteresis pulsed and throbbed along wires and channels.Two Plus Two Makes Crazy
The hysteresis losses in iron are so great that an iron core, even if finely subdivided, is heated in an incredibly short time.
But if such is the case I attribute it solely to the hysteresis and Foucault current losses in the core.
- physics the lag in a variable property of a system with respect to the effect producing it as this effect varies, esp the phenomenon in which the magnetic flux density of a ferromagnetic material lags behind the changing external magnetic field strength
Word Origin for hysteresis
1805, from Greek hysteresis "a coming short, a deficiency."
- The lagging of an effect behind its cause, as when the change in magnetism of a body lags behind changes in the magnetic field.
- The dependence of the state of a system on the history of its state. For example, the magnetization of a material such as iron depends not only on the magnetic field it is exposed to but on previous exposures to magnetic fields. This memory of previous exposure to magnetism is the working principle in audio tape and hard disk devices. Deformations in the shape of substances that last after the deforming force has been removed, as well as phenomena such as supercooling, are examples of hysteresis.