backing coat
A coat of plaster other than the finish coat .
General
General
backplate lamp holder
A lamp holder, integrally mounted on a plate, which is designed for screwing to a flat surface.
General
backhouse, back building
1. A privy or outhouse. 2. A structure that stands behind a building to which it is a subsidiary.
General
backing board
In a suspended acoustical ceiling, a flat sheet of gypsum board to which acoustical tile is attached by adhesive or