dross
dross \'dra:s, 'dro.s\ \-e-\ n [ME dros, fr. OE dro-s dregs] 1: the scum that forms on the surface of molten metal 2: waste or foreign matter : IMPURITY - drossy aj
dross \'dra:s, 'dro.s\ \-e-\ n [ME dros, fr. OE dro-s dregs] 1: the scum that forms on the surface of molten metal 2: waste or foreign matter : IMPURITY - drossy aj