Definitions for hysteresisˌhɪs təˈri sɪs

This page provides all possible meanings and translations of the word hysteresis

Random House Webster's College Dictionary

hys•ter•e•sisˌhɪs təˈri sɪs(n.)

  1. a lag in response exhibited by a body in reacting to changes in forces, esp. magnetic forces, acting upon it.

    Category: Physics

Origin of hysteresis:

1795–1805; < Gk hystérēsis deficiency, state of being behind or late =hysterē-, var. s. of hystereîn to come late, lag behind, v. der. of hýsteros coming behind +-sis -sis

hys`ter•et′ic-ˈrɛt ɪk(adj.)

Princeton's WordNet

  1. hysteresis(noun)

    the lagging of an effect behind its cause; especially the phenomenon in which the magnetic induction of a ferromagnetic material lags behind the changing magnetic field

Wiktionary

  1. hysteresis(Noun)

    A property of a system such that an output value is not a strict function of the corresponding input, but also incorporates some lag, delay, or history dependence, and in particular when the response for a decrease in the input variable is different from the response for an increase. For example, a thermostat with a nominal setpoint of 75u00B0 might switch the controlled heat source on when the temperature drops below 74u00B0, and off when it rises above 76u00B0.

Webster Dictionary

  1. Hysteresis(noun)

    a lagging or retardation of the effect, when the forces acting upon a body are changed, as if from velocity or internal friction; a temporary resistance to change from a condition previously induced, observed in magnetism, thermoelectricity, etc., on reversal of polarity

Freebase

  1. Hysteresis

    Hysteresis is the dependence of a system not only on its current environment but also on its past environment. This dependence arises because the system can be in more than one internal state. To predict its future development, either its internal state or its history must be known. If a given input alternately increases and decreases, the output tends to form a loop as in the figure. However, loops may also occur because of a dynamic lag between input and output. Often, this effect is also referred to as hysteresis, or rate-dependent hysteresis. This effect disappears as the input changes more slowly, so many experts do not regard it as true hysteresis. Hysteresis occurs in ferromagnetic materials and ferroelectric materials, as well as in the deformation of some materials in response to a varying force. In natural systems hysteresis is often associated with irreversible thermodynamic change. Many artificial systems are designed to have hysteresis: for example, in thermostats and Schmitt triggers, hysteresis is produced by positive feedback to avoid unwanted rapid switching. Hysteresis has been identified in many other fields, including economics and biology.

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