verb (used with object), in·su·lat·ed, in·su·lat·ing.
1.
to cover, line, or separate with a material that prevents or reduces the passage, transfer, or leakage of heat, electricity, or sound: to insulate an electric wire with a rubber sheath; to insulate a coat with down.
2.
to place in an isolated situation or condition; segregate.
Origin: 1530–40; < Latininsulātus made into an island. See insula, -ate1
Related forms
non·in·su·lat·ing, adjective
pre·in·su·late, verb (used with object), pre·in·su·lat·ed, pre·in·su·lat·ing.
re·in·su·late, verb (used with object), re·in·su·lat·ed, re·in·su·lat·ing.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a chattering or flighty, light-headed person.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
to prevent or reduce the transmission of electricity, heat, or sound to or from (a body, device, or region) by surrounding with a nonconducting material
2.
to isolate or detach
[C16: from Late Latin insulātus: made into an island]
1538, "make into an island," from L. insulatus (see insular). Sense of "cause a person or thing to be detached from surroundings" is from 1785. Electrical/chemical sense of "block from electricity or heat" is from 1742. Insulation "insulating material" is from 1870.