H: Hysteresis: English: Wiktionary: Merriam Webster: Moribund Institute
Channel: English Evermore! [Moribund Institute]
Date: 2022-01-07

Hysteresis [ヒステリーシス]

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°.

2. Magnetic friction in dynamos, by which every reversal of magnetism in the iron causes dissipation of energy.

Wiktionary contributors, "hysteresis," Wiktionary, The Free Dictionary, https://en.wiktionary.org/w/index.php?title=hysteresis&oldid=53852487 (accessed January 7, 2022).

Merriam-Webster.com Dictionary, s.v. “hysteresis,” accessed January 6, 2022, https://www.merriam-webster.com/dictionary/hysteresis.

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