insulates

/IH1 N S AH0 L EY0 T S/
verb
  1. 1

    To separate, detach, or isolate.

  2. 2

    To separate a body or material from others, e.g. by non-conductors to prevent the transfer of electricity, heat, etc.

    โ€œCeramic can be used to insulate power lines.โ€

Synonyms

Source: https://en.wiktionary.org/wiki/insulate, https://en.wiktionary.org/wiki/insulates