单词 | hardening-on |
释义 | > as lemmashardening-on hardening-on n. Ceramics the process of giving a second firing to a piece of biscuit ware after decoration, at a relatively low temperature of around 700° Celsius, in order to burn out any oil from the decorating medium and fix the colour to the surface before glazing. ΚΠ 1844 Leeds Mercury 5 Oct. 1/4 (advt.) There are Two Brown Ware Kilns, One Biscuit, Two Glass, and Two Hardening-on Kilns. 1914 G. J. Cox Pottery xii. 136 The oily medium must be quite dry before the hardening on takes place. 1994 H. Fraser Electric Kiln: User's Man. xiii. 91 The hardening-on firing serves to fix the colour more firmly to the ware. < as lemmas |
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