halftone

名词 halftone:

1. a print obtained from photoengraving
2. an engraving used to reproduce an illustration
   同义词：halftone engraving, photoengraving

half.tone

n.Abbr. HT（名词）缩写 HT
A tone or value halfway between a highlight and a dark shadow.
中间色，半调色：在光线最强处与黑色暗影之间的一种色调或明暗的配合

A picture in which the gradations of light are obtained by the relative darkness and density of tiny dots produced by photographing the subject through a fine screen.
照相（网目）铜版：一种照片，通过一个精制屏幕拍摄一个物体，由此产生光点的不同亮度和密度，从而形成光的明暗变化
A picture made by such a process.
由这种工艺制成的相片