In"su*late (?), v. t. [imp. & p. p. Insulated (?); p. pr. & vb. n. Insulating (?).] [L. insulatus insulated, fr. insula island. See Isle, and cf. Isolate.]
1.
To make an island of.
[Obs.]
Pennant.
2.
To place in a detached situation, or in a state having no communication with surrounding objects; to isolate; to separate.
3. Elec. & Thermotics
To prevent the transfer o electricity or heat to or from (bodies) by the interposition of nonconductors.
Insulating stool Elec., a stool with legs of glass or some other nonconductor of electricity, used for insulating a person or any object placed upon it.
© Webster 1913.