Dross, as of iron; the scale which files from iron when hammered; -- applied as a name to various minerals. [1913 Webster]
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.
, n. & v.
--n.
1 a siliceous or calcareous rock formed by deposition from springs.
2 a substance formed by sintering.
--v.intr. & tr. coalesce or cause to coalesce from powder into solid by heating.