of part-serving to part; dividing; separating.-given when departing; as, a parting shot; a parting salute.-departing.-admitting of being parted; partible.-the act of parting or dividing; the state of being parted; division; separation.-a separation; a leave-taking.-a surface or line of separation where a division occurs.-the surface of the sand of one section of a mold where it meets that of another section.-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.-the breaking, as of a cable, by violence.-lamellar separation in a crystallized mineral, due to some other cause than cleavage, as to the presence of twinning lamellae.