cop·per·plate /ˈkɑpɚ/
 銅板,銅版,銅板印刷(a.)用銅板彫刻的,用銅版印刷的,清楚的
 Cop·per·plate n. (a) A plate of polished copper on which a design or writing is engraved. (b) An impression on paper taken from such a plate.
 Note: ☞ In printing from a copper- or steel plate the lines are filled with ink, the surface of the plate is wiped clean, the paper laid upon it, and the impression taken by pressing it under the roller of a plate press.
 Copperplate press. See Plate press, under Plate.
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 copperplate
      n 1: a fine style of handwriting based on the writing used on
           copperplate engravings
      2: a print made from an engraved copperplate
      3: an engraving consisting of a smooth plate of copper that has
         been etched or engraved