The reproducion of greyscaleimages using dots of a single shade but varying size to simulate the differeNT shades of grey. Laser priNTers that cannot priNT differeNT sized dots, halftones are produced by varying the numbers of dots in a given area. This process is also used to produce a black and white version of a colour original using shades of grey in place of colours. See also device independeNT bitmap. (1996-09-20)