scorilite

[Eng. scori (a); suff. -lite ( Min ).] Min.: A scoriaceous substance of doubtful composition; probably an altered volcanic product. scör'-ing, pr. par., a. & s. [SCORE, v.] A. & B. As pr . par . & particip . adj.: (See the verb). C. As substantive: Founding : The bursting or splitting of a casting, due to the strain caused by contraction. A term generally applied to cylinders and similar work, in which the core does not give way when the casting cools, and thereby causes its destruction. scoring-machine, s. Woodwork.: A machine for cutting scores or grooves in block.