1. (n.) A mass composed of several bricks run together by the action of the fire in the kiln.

2. (n.) Scoria or vitrified incombustible matter, formed in a grate or furnace where anthracite coal in used; vitrified or burnt matter ejected from a volcano; slag.

3. (n.) A scale of oxide of iron, formed in forging.

4. (n.) A kind of brick. See Dutch clinker, under Dutch.

adobe alluvion alluvium ash ashes ashlar atonalism atonality brand brick bricks and mortar cacophony calx carbon cement charcoal cinder coal coke concrete coom covering materials deposition deposits diluvium discord discordance discordancy disharmony dissonance dissonancy dissonant chord draff dregs dross ember feces ferroconcrete firebrick flag flagstone flatness flooring froth fume grounds inharmoniousness inharmony lath and plaster lava lees loess masonry moraine mortar off note offscum pavement paving paving material plasters precipitate precipitation prestressed concrete reek roofage roofing scoria scum sediment settlings sharpness siding silt sinter slag smoke smudge smut soot sour note sourness stone stridor sublimate sullage tile tiling tunelessness unharmoniousness unmusicality untunefulness walling wolf