Delftware — Tile which has been dipped in white tin glaze at the biscuit stage and then painted by hand. This decoration is called 'in-glaze' because it sinks into the glaze during the second firing. The term is derived from the Dutch town of Delft and is generally applied to tin-glazed tiles made in the Netherlands and Britain.
dentil — especially in ancient Greek and Roman architecture, a small block used as a repeating ornament in the bedmould of a cornice.
DIRECT KEY DRAWING — Reproduction of the mosaic sections, like in the bozzetto, in the reverse and in the direct methods of mosaic.
DIRECT METHOD — In this method the tessarae are attached face up directly onto the base.
Dust clay — Finely powdered clay with a low moisture content.
Dust pressing — Describes the machine compression of powdered clay into metal moulds to form tiles.
