A transparent sheet placed over a map or diagram, a piece of artwork, etc., to carry instructions or additional material, or (esp. in Photography and…
| 单词 | θ228453 |
| 释义 | society > leisure > the arts > visual arts > printmaking > surface and planographic printing > printing from metal or plastic plates > [noun] > materials (2) overlay1964 A transparent sheet placed over a map or diagram, a piece of artwork, etc., to carry instructions or additional material, or (esp. in Photography and… counter-etch1967 transitive. To treat (a lithographic plate) with diluted acid in order to clean it and make it receptive to grease. Hence as n., this process, or… |
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