
1) Form of home insulation 2) Home insulation feature
Found on
https://www.crosswordclues.com/clue/double-glazing

[2 related articles]
Found on
http://www.britannica.com/eb/a-z/d/69

A way of insulating windows by trapping air between two layers of glass.
Found on
http://www.encyclo.co.uk/local/20442

In general, any use of two lights of glass, separated by an air space within an opening to improve insulation against heat transfer and/or sound transmission. In insulating glass units, the air between the glass sheets is thoroughly dried and the space is sealed, eliminating possible condensation and providing superior insulating properties.
Found on
http://www.encyclo.co.uk/local/20933

In general, any use of two lites of glass, separated by an air space, within an opening, to improve insulation against heat transfer and/or sound transmission. In insulating glass units the air between the glass sheets is thoroughly dried and the space is sealed, eliminating possible condensation and providing superior insulating properties.
Found on
http://www.encyclo.co.uk/local/21074

[
n] - a window with two panes of glass and a space between them
Found on
http://www.webdictionary.co.uk/definition.php?query=double%20glazing

A method of thermal insulation applied to windows usually either using:
Found on
https://www.diydata.com/general_building/building_glossary.php

Two layers of glazing used to improve thermal and acoustic radiation. See also: Acoustic Barriers.
Found on
https://www.encyclo.co.uk/local/20687
noun a window with two panes of glass and a space between them; reduces heat and noise transmission through the window
Found on
https://www.encyclo.co.uk/local/20974

Glazing made up of two layers of glass with a space between them to improve insulation and reduce noise. Double glazing comes in several widths, although 24mm and 28mm are the most common.
Found on
https://www.eurocell.co.uk/glossary

glazing consisting of two thicknesses of glass with a dead air space between them.
Found on
https://www.infoplease.com/dictionary/double-glazing
No exact match found.