Definitions

1. noun

A type of lightweight, foamed concrete used in construction for insulation and building.

“The architect specified the use of derbylite in the walls of the new office building to reduce energy consumption.”

2. noun

A type of lightweight, porous concrete used as a backing material in the manufacture of reinforced plastics.

“The company used derbylite as a backing material in the production of their new line of fiberglass products.”