double glazing
present participle of double-glaze
/ˈdʌbəl ɡleɪz/
verb
- To fit windows with two layers of glass separated by a space to improve insulation and reduce noise.
- They hired a contractor to double-glaze the old wooden frames.
- The landlord promised to double-glaze the apartment before winter.
- We decided to double-glaze all the windows to lower our heating bills.