noun
double glazing; insulated glass
Wasei-eigo from English 'pair glass'. Refers to a window unit made of two panes of glass with a sealed air gap for insulation.
wasei-eigo (Japanese-coined English), from pair glass
このマンションは全室ペアガラスです。
All rooms in this apartment have double glazing.
ペアガラスにすると結露が減ります。
Installing double glazing reduces condensation.