jasper1 (def 2). a compact, opaque, cryptocrystalline variety of quartz, usually colored red: often used in decorative carvings. Also called jasper ware, cameo ware. a fine, hard stoneware introduced c1775 by Wedgwood, stained various colors by metallic oxides, with raised designs in white. noun jasper ware with applied decoration of classical motifs, resembling a cameo […]
a boxlike device for holding a film or plate sensitive to light, having an aperture controlled by a shutter that, when opened, admits light enabling an object to be focused, usually by means of a lens, on the film or plate, thereby producing a photographic image. (in a television transmitting apparatus) the device in which […]
any of the mercantilist economists or public servants in Europe in the 17th and 18th centuries who held that the economic power of a nation can be enhanced by increasing its monetary wealth, as by the accumulation of bullion.
an optical instrument, often attached to the eyepiece of a microscope, by which the image of an external object is projected on a sheet of paper or the like for tracing. Historical Examples Every Boy’s Book: A Complete Encyclopdia of Sports and Amusements Various The Appendages, Anatomy, and Relationships of Trilobites Percy Edward Raymond noun […]