ˌskōrəfə̇ˈkāshən, ˌskȯr- noun
( -s )
Etymology: scoria + -fication
: the act, process, or result of scorifying ; specifically : a process in assaying that involves the use of a scorifier and consists either of an oxidizing fusion of the ore or other product with lead and borax to produce a slag and leave the gold and silver in a lead button or of such a fusion of the lead button obtained either as above or by fusion in a crucible to reduce its size or purify it for cupellation