Webster 1913 Edition
The act of insulating, or the state of being insulated; detachment from other objects; isolation.
(Elec. & Thermotics)
The act of separating a body from others by nonconductors, so as to prevent the transfer of electricity or of heat; also, the state of a body so separated.
Webster 1828 Edition
1.In electrical experiments, that state in which the communication of electrical fluid is prevented by the interposition of an electric body.