a print obtained from photoengraving
halftone, halftone engraving, photoengraving(noun)
an engraving used to reproduce an illustration
Half the interval between two notes on a scale.
A picture made by using the process of half-toning.
To reproduce a photograph or other continuous tone image by the use of dots of various sizes.
Halftone is the reprographic technique that simulates continuous tone imagery through the use of dots, varying either in size, in shape or in spacing. "Halftone" can also be used to refer specifically to the image that is produced by this process. Where continuous tone imagery contains an infinite range of colors or greys, the halftone process reduces visual reproductions to an image that is printed with only one color of ink, in dots of differing size. This reproduction relies on a basic optical illusion—that these tiny halftone dots are blended into smooth tones by the human eye. At a microscopic level, developed black-and-white photographic film also consists of only two colors, and not an infinite range of continuous tones. For details, see film grain. Just as color photography evolved with the addition of filters and film layers, color printing is made possible by repeating the halftone process for each subtractive color—most commonly using what is called the "CMYK color model". The semi-opaque property of ink allows halftone dots of different colors to create another optical effect—full-color imagery.
The numerical value of halftone in Chaldean Numerology is: 2
The numerical value of halftone in Pythagorean Numerology is: 9
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