hysteresis

[his-tuh-ree-sis]
noun Physics.
1.
the lag in response exhibited by a body in reacting to changes in the forces, especially magnetic forces, affecting it. Compare magnetic hysteresis.
2.
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:
1795–1805; < Greek hystérēsis deficiency, state of being behind or late, hence inferior, equivalent to hysterē-, variant stem of hystereîn to come late, lag behind, verbal derivative of hýsteros coming behind + -sis -sis

hysteretic [his-tuh-ret-ik] , hysteresial [his-tuh-ree-see-uhl] , adjective
hysteretically, adverb
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World English Dictionary
hysteresis (ˌhɪstəˈriːsɪs)
 
n
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
 
[C19: from Greek husterēsis coming late, from husteros coming after]
 
hysteretic
 
adj
 
hyster'etically
 
adv

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American Heritage
Medical Dictionary

hysteresis hys·ter·e·sis (hĭs'tə-rē'sĭs)
n. pl. hys·ter·e·ses (-sēz)
The lagging of an effect behind its cause, as when the change in magnetism of a body lags behind changes in the magnetic field.


hys'ter·et'ic (-rět'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
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American Heritage
Science Dictionary
hysteresis   (hĭs'tə-rē'sĭs)  Pronunciation Key 
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.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Insects, however, may practice hysteresis even more effectively.
Everyone knows that climate has hysteresis, so that summer drags into fall, and winter drags into spring.
Many know that trees add to the hysteresis, and that is why trees tend to drop their leaves together.
There's some hysteresis in people's psychological response.
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