coercivity[kō′ər siv′ə tē]
coercivity definition by Webster's New World
coercivity definition by American Heritage Dictionary
coercivity - Computer Definition
On magnetic media, the amount of electrical energy required to change the polarization of a bit. The coercivity of hard disks ranges from 500 to 2,000 Oersted. On magneto-optic media, it takes between 5,000 to 10,000 Oersted. See Oersted.
coercivity - Science Definition