hysteresis

EnglishEdit

EtymologyEdit

Coined by Sir James Alfred Ewing from Ancient Greek ὑστέρησις (husterēsis, shortcoming), from ὑστερέω (hustereō, I am late, fall short), from ὕστερος (husteros, later). [1]

NounEdit

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hysteresis (plural hystereses)

  1. 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 75° might switch the controlled heat source on when the temperature drops below 74°, and off when it rises above 76°.

Derived termsEdit

TranslationsEdit

ReferencesEdit

  1. ^ What's Hysteresis, from James P. Sethna at Cornell University.
Last modified on 7 October 2013, at 10:53