| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024hys•ter•e•sis (his′tə rē′sis),USA pronunciation n. [Physics.]- Physicsthe lag in response exhibited by a body in reacting to changes in the forces, esp. magnetic forces, affecting it. Cf. magnetic hysteresis.
- Physicsthe 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.
- Greek hystérēsis deficiency, state of being behind or late, hence inferior, equivalent. to hysterē-, variant stem of hystereîn to come late, lag behind, verb, verbal derivative of hýsteros coming behind + -sis -sis
- 1795–1805;
Collins Concise English Dictionary © HarperCollins Publishers:: hysteresis /ˌhɪstəˈriːsɪs/ n - 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
Etymology: 19th Century: from Greek husterēsis coming late, from husteros coming afterhysteretic /ˌhɪstəˈrɛtɪk/ adj |