“chemitype”的英文意思_释义_用法

单词

chemitype

释义

chemitype|ˈkɛmɪtaɪp|
[f. chemi-, in chemic etc. + type.]
A stereotype or plate for printing, obtained in relief from an engraved plate by a chemical process; hence chemitype process, ˈchemitypy.
(That of Piil consisted in filling with a metal the lines engraved or etched on a zinc plate, and then eating away the zinc surface so as to leave the other metal standing in relief.)
1851Illust. Lond. News 5 July 26/3 The process of chemitypy, as practised by Piil, of Copenhagen.1869N. & Q. Ser. iv. IV. 182 For..obtaining casts in relief from an engraving, the process of chemitype is equally ingenious.1874Knight Dict. Mech. 535 Chemitype, a somewhat general term which includes a number of relief processes by which a drawing or impression from an engraved plate is obtained in relief, so as to be printed on an ordinary printing-press.

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