1. To make an island of.
2. To place in a detached situation, or in a state having no communication with surrounding objects; to isolate; to separate.
3. (Science: physics) to prevent the transfer o electricity or heat to or from (bodies) by the interposition of nonconductors.
(Science: physics) Insulating stool, a stool with legs of glass or some other nonconductor of electricity, used for insulating a person or any object placed upon it.
Origin: L. Insulatus insulated, fr. Insula island. See isle, and cf. Isolate.