Science Dictionary
projection  [%PREMIUM_LINK%]     (prə-jěk'shən)  Pronunciation Key 
  1. The image of a geometric figure reproduced on a line, plane, or surface.

  2. A system of intersecting lines, such as the grid of a map, on which part or all of the globe or another spherical surface is represented as a plane surface. See more at azimuthal projection, conic projection, cylindrical projection.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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