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key plate

noun

, Printing.
  1. (in color printing) the plate providing the greatest definition of detail, usually the black plate, on which the other plates are registered.


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Word History and Origins

Origin of key plate1

First recorded in 1905–10
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Example Sentences

This done, we next take the frame and remove the key-plate from it.

It consists of an uncoloured figure on a circular ground of colour, and is printed by the key plate.

There were more spots on the key plate of the washstand, and this also was forced off.

By giving the key a quarter-turn the slit in the key-plate compresses the springs, and they are then withdrawn from the lock.

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