Sinter

n.

1.

(Min.) Dross, as of iron; the scale which files from iron when hammered; - applied as a name to various minerals. Calcareous sinter a loose banded variety of calcite formed by deposition from lime-bearing waters; calcareous tufa; travertine. Ceraunian sinter fulgurite. Siliceous sinter a light cellular or fibrous opal; especially, geyserite (see Geyserite). It has often a pearly luster, and is then called pearl sinter.

Verb

1.

sinter - used of powdery metals or ores; to cause to become a coherent mass by heating without melting

forge, form, mold, mould, shape, work