Definition of: insulate

(in′sə·lāt) v.t. ·lat·ed, ·lat·ing
1. To place in a detached state or situation; isolate.
2. To change into an island; surround by water.
3. Physics To separate from conducting bodies, as by a covering or support of a non–conducting substance, usually in order to prevent or lessen the leakage of an electric current, heat, sound, radiation, etc. [<L insulatus formed like an island <insula island]