A printing technique that uses tiny dots of varying sizes to create the illusion of different shades and colors in images.
From 'half' + 'tone' (referring to intermediate shades between light and dark). The technique was developed in the 1880s-1890s for printing photographs in newspapers.
If you look really closely at old newspaper photos with a magnifying glass, you'll see they're actually made of thousands of tiny dots—that's halftone, and it revolutionized photojournalism!
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