hys·ter·e·sis 
(hĭs′tə-rēsĭs)
(hĭs′tə-rēsĭs)n. pl. hys·ter·e·ses (-sēz)
The lagging of an effect behind its cause, as when the change in magnetism of a body lags behind changes in the magnetic field.
[Greek husterēsis, a shortcoming, from husterein, to come late, from husteros, late; see ud- in the Appendix of Indo-European roots.]
hys′ter·etic (-rĕtĭk) adj.