1. materials used to prevent the transfer of heat, sound, or electricity
Usage: plural of insulation
2. the acts or processes of insulating something
Usage: plural of insulation

Examples

• The contractor compared different insulations for the attic.
• Foam and fiberglass are common insulations used in homes.
• The building required multiple insulations to meet energy standards.
• Various insulations were tested for their thermal properties.
• The insulations in the walls kept the house warm in winter.
• Different insulations work better for sound versus heat control.