名詞 halftone:

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

half.tone

n.Abbr. HT（名詞）縮寫 HT
A tone or value halfway between a highlight and a dark shadow.
中間色，半調(diào)色：在光線最強(qiáng)處與黑色暗影之間的一種色調(diào)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（網(wǎng)目）銅版：一種照片，通過(guò)一個(gè)精制屏幕拍攝一個(gè)物體，由此產(chǎn)生光點(diǎn)的不同亮度和密度，從而形成光的明暗變化
A picture made by such a process.
由這種工藝制成的相片