Verb

To separate, detach, or isolate.

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

Ceramic can be used to insulate power lines.

Verb

(en verb)

  To control or keep in check.

  To deprive of liberty.

  To restrict or limit.

*{{quote-magazine, date=2013-05-17

, author=George Monbiot, authorlink=George Monbiot , title=Money just makes the rich suffer , volume=188, issue=23, page=19 , magazine=(The Guardian Weekly) citation , passage=In order to grant the rich these pleasures, the social contract is reconfigured. […]  The public realm is privatised, the regulations restraining the ultra-wealthy and the companies they control are abandoned, and Edwardian levels of inequality are almost fetishised.}}