hysteresis

名词 n.
中文释义

英文释义

名词 n.
  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°. countable,uncountable
  2. Magnetic friction in dynamos, by which every reversal of magnetism in the iron causes dissipation of energy. countable,uncountable

词形变化

hystereses plural

词汇关系

衍生词
hysteresis loop hysteresis motor hysteretic hysteretical hysteron

词源

Coined by Sir James Alfred Ewing from Ancient Greek ὑστέρησις (hustérēsis, “shortcoming”), from ὑστερέω (husteréō, “I am late, fall short”), from ὕστερος (hústeros, “later”). By surface analysis, hyster- (“higher, outer, latter, next”) + -esis.
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