名詞 hysteresis:

1. the lagging of an effect behind its cause; especially the phenomenon in which the magnetic induction of a ferromagnetic material lags behind the changing magnetic field

hys.ter.e.sis

n.（名詞）
【復(fù)數(shù)】 hys.ter.e.ses[-sôz]
The lagging of an effect behind its cause, as when the change in magnetism of a body lags behind changes in the magnetic field.
滯后現(xiàn)象：一個(gè)結(jié)果在原因之后拖沓，比如一個(gè)物體的磁化變化要比一個(gè)磁場變化慢

來源：
Greek husterôsis [a shortcoming]
希臘語 husterôsis [一個(gè)不足]
from husterein [to come late]
源自 husterein [來晚了]
from husteros [late] * see ud-
源自 husteros [晚] *參見 ud-

【引伸】
hys.teret.ic