halftone noun 3verb 1forms 3 noun3 •An intermediate or middle tone in a painting, engraving, photograph, etc.; a middle tint, neither very dark nor very light. •A picture made by using the process of half-toning. •Synonym of semitone, half the interval between two notes on a scale. verb1 •To reproduce a photograph or other continuous tone image by the use of dots of various sizes. formshalftoned · halftoning · halftones