'Half-tone' definitions:

Definition of 'Half-tone'

From: GCIDE
  • Half-tone \Half"-tone`\ (h[aum]f"t[=o]n`), a. Having, consisting of, or pertaining to, half tones; specif. (Photo-engraving), pertaining to or designating plates, processes, or the pictures made by them, in which gradation of tone in the photograph is reproduced by a graduated system of dotted and checkered spots, usually nearly invisible to the unaided eye, produced by the interposition between the camera and the object of a screen. The name alludes to the fact that this process was the first that was practically successful in reproducing the half tones of the photograph. [Webster 1913 Suppl.]

Definition of 'Half-tone'

From: GCIDE
  • Half tone \Half tone\, or Half-tone \Half"-tone`\, n.
  • 1. (Fine Arts) An intermediate or middle tone in a painting, engraving, photograph, etc.; a middle tint, neither very dark nor very light. [Webster 1913 Suppl.]
  • 2. (Music) A half step. [Webster 1913 Suppl.]
  • 3. A print obtained by the half-tone photo-engraving process. [WordNet sense 1] [PJC]
  • 4. the etched plate used to reproduce a half-tone illustration. [WordNet sense 4]
  • Syn: halftone engraving, photoengraving. [WordNet 1.5]