释义 |
Half tone
n. | 1. | (Fine Arts) An intermediate or middle tone in a painting, engraving, photograph, etc.; a middle tint, neither very dark nor very light. | | 2. | (Music) A half step. | | 3. | A print obtained by the half-tone photo-engraving process. | | 4. | the etched plate used to reproduce a half-tone illustration. |
half tone
half tone: see photoengravingphotoengraving, photomechanical process in the graphic arts, used principally for reproducing illustrations. The subject is photographed, and the image is recorded on a sensitized metal plate, which is then etched in an acid bath. ..... Click the link for more information. ; printingprinting, means of producing reproductions of written material or images in multiple copies. There are four traditional types of printing: relief printing (with which this article is mainly concerned), intaglio, lithography, and screen process printing. ..... Click the link for more information. .FinancialSeeHalftoneThesaurusSeephotoengraving |