halftone

• 指通过照相制版或网屏技术制作的印刷品或印版，可再现图像的明暗层次；也指用这种方法得到的半色调图像或网点图版。

A noun referring to a print obtained from photoengraving or an engraving used to reproduce an illustration.

1. Print obtained from photoengravingC1formalart

   A printed image produced by a photoengraving process, where continuous tones are simulated by a pattern of dots.

   半色调图像

   • The magazine used a halftone to reproduce the photograph.
   • The artist examined the halftone under a magnifying glass.
   • Old newspapers often feature grainy halftones.

2. Engraving used to reproduce an illustrationC1formalart

   An engraved plate or block, typically made of metal, used in printing to reproduce an illustration by breaking it down into dots.

   半色调印版

   • The printer carefully prepared the halftone for the book cover.
   • Halftones revolutionized the printing of images in the 19th century.
   • The collection includes several original halftones from the early 1900s.