资料来源 : Webster's Revised Unabridged Dictionary (1913)

Chart \Chart\, n. [A doublet of card: cf. F. charte charter,
   carte card. See {Card}, and cf. {Charter}.]
   1. A sheet of paper, pasteboard, or the like, on which
      information is exhibited, esp. when the information is
      arranged in tabular form; as, an historical chart.

   2. A map; esp., a hydrographic or marine map; a map on which
      is projected a portion of water and the land which it
      surrounds, or by which it is surrounded, intended
      especially for the use of seamen; as, the United States
      Coast Survey charts; the English Admiralty charts.

   3. A written deed; a charter.

   {Globular chart}, a chart constructed on a globular
      projection. See under {Globular}.

   {Heliographic chart}, a map of the sun with its spots.

   {Mercator's chart}, a chart constructed on the principle of
      Mercator's projection. See {Projection}.

   {Plane chart}, a representation of some part of the
      superficies of the globe, in which its spherical form is
      disregarded, the meridians being drawn parallel to each
      other, and the parallels of latitude at equal distances.
      

   {Selenographic chart}, a map representing the surface of the
      moon.

   {Topographic chart}, a minute delineation of a limited place
      or region.

Globular \Glob"u*lar\, a. [Cf. F. globulaire.]
   Globe-shaped; having the form of a ball or sphere; spherical,
   or nearly so; as, globular atoms. --Milton.

   {Globular chart}, a chart of the earth's surface constructed
      on the principles of the globular projection.

   {Globular projection} (Map Projection), a perspective
      projection of the surface of a hemisphere upon a plane
      parallel to the base of the hemisphere, the point of sight
      being taken in the axis produced beyond the surface of the
      opposite hemisphere a distance equal to the radius of the
      sphere into the sine of 45[deg].

   {Globular sailing}, sailing on the arc of a great circle, or
      so as to make the shortest distance between two places;
      circular sailing.