double glazing

Noun

uncountable usually

A system of insulated windows (and doors) having two parallel layers of glass separated by an air space

Japanese Meaning

断熱効果を持たせた、ガラス板が2層になっている窓やドアのシステム。

We decided to install double glazing to reduce noise and improve insulation.

騒音を減らし断熱性を高めるため、複層ガラスを取り付けることにしました。

Sense（1）

A system of insulated windows (and doors) having two parallel layers of glass separated by an air space

double glazings

（ plural ）