释义 |
marzacotto Ceramics.|ˌmɑːtsəˈkɒtəʊ, -z-| [It. (Florio, 1598, ‘an instrument or toole that potters use’).] A transparent glaze used by Italian majolica workers (see quots.).
1873C. D. E. Fortnum Descr. Catal. Maiolica 152 Glazing it with ‘marzacotto’, a mixture of oxide of lead, sand and potash. 1885Encycl. Brit. XIX. 625/1 The white enamel, ‘bianco’, was composed of thirty parts of ‘marzacotto’ to twelve of oxide of tin. 1960R. G. Haggar Conc. Encycl. Cont. Pott. & Porc. 304/1 Marzacotto, a silicate of potash..used as the basis of the tin-enamel or tin-glaze of the maiolica potter. 1972J. Scott-Taggart Italian Maiolica 56 Marzacotto..is a potassium silicate made by fusing a mixture of sand and calcined wine-lees. Ibid., This marzacotto provides the ‘glassy’ element. |