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GLOSSARY OF TERMS
A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z
D:
Deflection (Framing Member)
The amount of bending movement of any part of a structural member perpendicular to the axis of the member under an applied load.
Deflection of Glass
The amount of bending of the center of glass.
Design Pressure
Specific pressure a product is designed to withstand.
Dice
The cubical pattern of a fracture in fully tempered glass.
Diffusing
The scattering and dispersing and the tendency to eliminate a direct beam of light.
Digs
Deep, short scratches.
Dirt
A small particle of foreign material imbedded in the surface of flat glass.
Distortion
Alteration of viewed images, caused by the variations in the flatness of glass.
Double Glazing
Two lites of glass, separated by an air space, to improve insulation against heat transfer and sound transmission. Insulating glass units contain air between the glass which is thoroughly dried and sealed, eliminating condensation and providing superior insulation.
Double Glazing Unit
Two panes of glass separated by a permanently sealed air or gas cavity.
Double Strength Glass
Float glass, approximately 1/8" (3mm) thick.
Drawn Glass
Glass produced by a continuous drawing operation.
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