S> 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)