| 单词 | sand grain |
| 释义 | > as lemmassand grain sand grain n. Printing (see quot. 1904); also attributive. ΘΚΠ society > leisure > the arts > visual arts > printmaking > engraving > intaglio printing > [noun] > aquatint > techniques thumb-printing1869 sand grain1904 sugar aquatint1962 1904 G. F. Goodchild & C. F. Tweney Technol. & Sci. Dict. 203/1 Sand Grain... A ground is laid as for etching; a sheet of sandpaper is then laid face downwards on the plate, which is passed through the printer's press with sufficient pressure for the grains of sand to pierce the ground. 1960 H. Hayward Connoisseur's Handbk. Antique Collecting 248/1 A sand-grain aquatint is obtained from a plate which has been pulled through the press with a piece of sand paper to roughen its surface. < as lemmas |
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