double-suction pump
A pump having a spiral- shaped casing in which the water enters the impeller from both sides of the impeller […]
Glossary
Glossary
double-strength glass
Sheet glass having a thickness of between 0.118 in. (3.00 mm) and 0.113 in. (3.38 mm).
Glossary
double step
A double notch cut into a tie beam which supports a rafter in a timber framing system.
Glossary
double stair
An open stair having a pair of staircases leading down from a landing; usually designed to be impressive; compare with
Glossary
double sliding door
A pair of sliding doors which can pass each other, each in its own track.