insulate

 
Pronunciation: /ˈɪnsjʊleɪt/

verb

[with object]
  • 1protect (something) by interposing material that prevents the loss of heat or the intrusion of sound: insulate and draught-proof your home (as adjective insulated) an insulated loft
  • prevent the passage of electricity to or from (something) by covering it in non-conducting material: the case is carefully insulated to prevent short circuits
  • protect (someone or something) from unpleasant influences or experiences: the service is insulated from outside pressures
  • 2 archaic make (land) into an island: the village was insulated by every flood of the river

Origin:

mid 16th century (in insulate (sense 2)): from Latin insula 'island' + -ate3