double vitrage w języku angielskim

double glazing▼◼◼◼(A system of insulated windows (and doors) having two parallel layers of glass separated by an air space)
noun
[UK: ˈdʌb.l̩ ˈɡleɪz.ɪŋ] [US: ˈdʌb.l̩ ˈɡleɪz.ɪŋ]