In`su*la"tion (?), n.
1. The act of insulating, or the state of being insulated; detachment from other objects; isolation. 2. (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 1913
In`su*la"tion, n. The material or substance used in insulating. © Webster 1913
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