Found 1 items, similar to sil atticum.
English → English (gcide) Definition: sil atticum Almagra \Al*ma"gra\, n. [Sp. almagra, almagre, fr. Ar. al-maghrah red clay or earth.] A fine, deep red ocher, somewhat purplish, found in Spain. It is the sil atticum of the ancients. Under the name of Indian red it is used for polishing glass and silver. [1913 Webster]