General

General

backplate lamp holder

A lamp holder, integrally mounted on a plate, which is designed for screwing to a flat surface.

General

backjoint

In masonry, a rabbet such as that made on the inner side of a chimneypiece to receive a slip.

General

backsight

In surveying, a sight on a previously established survey point or line.

General

backplate

A plate, usually metal or wood, which serves as a backing for a structural member

General

backing brick

A relatively low-quality brick used behind face brick or other masonry.

General

backflow

1. The flow of water or other liquids, mixtures, or substances into the distributing pipes of a potable supply of

Scroll to Top