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English definition of “double glazing”

double glazing

noun [U]    
windows that have two layers of glass to keep a building warm or to reduce noise from outside Windows and parts of windows double-glaze     /ˌdʌb.l̩ˈɡleɪz/ verb [T] Windows and parts of windows
(Definition of double glazing noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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