DIMINISH v.
upper diameter is less than the lower. -- Diminished, or Diminishing, scale, a scale of gradation used in finding the different points for drawing the spiral curve of the volute. Gwilt. -- Diminishing rule (Arch.), a board cut with a concave edge, for fixing the entasis and curvature of a shaft. -- Diminishing stil…
HALF-TONE a.
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…