halftone(redirected from screen frequency)
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Related to screen frequency: screen ruling
1. A tone or value halfway between a highlight and a dark shadow.
a. A picture in which the gradations of light are obtained by the relative darkness and density of tiny dots produced by photographing the subject through a fine screen.
b. A picture made by such a process.
3. Music See semitone.
1. (Printing, Lithography & Bookbinding)
a. a process used to reproduce an illustration by photographing it through a fine screen to break it up into dots
b. the etched plate thus obtained
c. the print obtained from such a plate
2. (Art Terms) art a tonal value midway between highlight and dark shading
3. (Music, other) music US and Canadian another word for semitone
(Printing, Lithography & Bookbinding) relating to, used in, or made by halftone
1. (in painting, drawing, graphics, photography, etc.) a value intermediate between light and dark.
a. a printing process in which gradation of tone is obtained by a system of minute dots.
b. the metal plate used in such a process.
c. the print obtained in such a process.
Any photomechanical printing surface or the impression therefrom in which detail and tone values are represented by a series of evenly spaced dots in varying size and shape, varying in direct proportion to the intensity of the tones they represent. See also halftone screen.