copertan.
/kəʊˈpəːtə/ A film of glaze given as a final coating to later Italian majolica ware.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > painting or coating materials > [noun] > glaze > for ceramics or pottery > types of
steel lustre1829
moonlight lustre1837
stone-oil1838
silver lustre1845
porcelain enamel1852
marzacotto1873
overglaze1880
under-glaze1882
coperta1885
tiger's-eye1893
tin-glaze1897
hare's fur1899
lead-glaze1899
tin-enamel1900
rouge flambé1902
Sunderland lustre1903
transmutation glaze1904
Mohammedan blue1905
peach bloom1937
sang-de-bœuf1957
lead-lustre-
1885 Encycl. 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.
1903 M. L. Solon Hist. Old Fr. Faïence 186.
1937 Burlington Mag. Dec. 277/1 A transparent lead glaze—the coperta of the Italian writers.
This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2018).
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n.1885