释义 |
coperta|kəʊˈpɜːtə| [It., = covering, f. coprire to cover.] A film of glaze given as a final coating to later Italian majolica ware.
1885Encycl. Brit. XIX. 625/1 The glaze, ‘coperta’, an ordinary glass, made more fusible by the presence of lead, consisted of oxide of lead 17 parts, silica (sand) 20, alkali 12, and common salt 8 parts. 1903Solon Hist. O. Fr. Faïence 186. 1937 Burlington Mag. Dec. 277/1 A transparent lead glaze—the coperta of the Italian writers. |