| 单词 | chemitypy |
| 释义 | > as lemmaschemitypy ΘΚΠ society > leisure > the arts > visual arts > printmaking > engraving > intaglio printing > [noun] > making of polytypes, etc. polytypage1803 electrotype1840 electrotyping1842 cerography1846 chemitypy1851 1851 Illustr. London News 5 July 26/3 The process of chemitypy, as practised by Piil, of Copenhagen. 1860 Encycl. Brit. XVIII. 555/1 Chemitypy... As of the two metals one is positive and other negative, the zinc alone is eaten away by the acid, and the fusible metal which had filled the lines of the engraving is left in relief. < as lemmas |
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