noun, noun which may take the genitive case particle 'no'
high thermal insulation; superior heat insulation
Technical term used in architecture, construction, and appliance specifications to describe materials or structures with excellent insulating properties.
This house has high thermal insulation specifications, so it stays warm even in winter.
Installing high-insulation window glass reduces utility costs.
Compound of 高 (こう, 'high') and 断熱 (だんねつ, 'thermal insulation').