photoengrave

verb [vt. 及物动词]光镂；照相雕刻

a photomechanical process for making linecuts and halftone cuts by photographing an image on a metal plate and then etching.
一种通过在金属板上拍摄图像并随后进行蚀刻来制作线条刻痕和半色调刻痕的光机械加工工艺。