A surface or line of separation where a division occurs.
The separation and determination of alloys; esp., the separation, as by acids, of gold from silver in the assay button.
A joint or fissure, as in a coal seam.
Lamellar separation in a crystallized mineral, due to some other cause than cleavage, as to the presence of twinning lamellæ.
A natural, usually smooth, separation between strata.
Layer of earth between separate coal seams
A term used in lathe turning to signify the act of separating or cutting-away a completed workpiece from its adjoining scrap once the turning process is completed. Parting is usually performed with a parting tool.
The splitting of a crystal along planes of weakness that are not cleavage planes.
a layer of rock or clay lying between two beds of different formations; a surface along which a rock is naturally separable into layers; the breaking of a mineral along parallel planes of weakness, resulting from strain or twinnig. [AHDOS
A specific kind of cutting operation in which complete severance of the stock strip is achieved by punching out a piece of stock material ( scrap) from between the piece parts.
The joint, dividing line, where mold separates to permit removal of the pattern.