half-tone
/ˌhɑːftəʊn/noun
1
- usu. as modifier a reproduction of a photograph or other image in which the various tones of grey or colour are produced by variously sized dots of ink网目复印照片, 网目复印图片：
half-tone illustrations.
网目复印插图。
2
- Music, chiefly US a semitone【乐】〈主美〉半音。