hysteresis

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˌhɪstəˈriːsɪs/US:USA pronunciation: respellingUSA pronunciation: respelling(his′tə rēsis)

Inflections of 'hysteresis' (n): npl: hystereses

WordReference Random House Unabridged Dictionary of American English © 2026
hys•ter•e•sis  (his′tə rēsis),USA pronunciation n. [Physics.]
  1. Physicsthe lag in response exhibited by a body in reacting to changes in the forces, esp. magnetic forces, affecting it. Cf. magnetic hysteresis.
  2. 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;
hys•ter•et•ic  (his′tə retik),USA pronunciation hys•ter•e•si•al  (his′tə rēsē əl),USA pronunciation adj.  hys′ter•eti•cal•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::
hysteresis /ˌhɪstəˈriːsɪs/ n
  1. 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
'hysteresis' also found in these entries (note: many are not synonyms or translations):

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