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Meaning of baseline

base•line

Pronunciation: (bās'līn"), [key]
— n.
  1. the area between bases within which a base runner must keep when running from one base to another.
  2. the line at each end of a tennis court, parallel to the net, that marks the in-bounds limit of play.
  3. (in perspective drawing) a horizontal line in the immediate foreground formed by the intersection of the ground plane and the picture plane.
  4. a basic standard or level; guideline: to establish a baseline for future studies.
  5. a specific value or values that can serve as a comparison or control.
  6. the imaginary line on which the bottoms of primary letters align.
  7. See under(def. 1).
  8. a horizontal or vertical line formed on the face of a cathode-ray tube by the sweep of the scanning dot.
  9. a line on the body plan or sheer plan of a hull, representing a horizontal reference plane for vertical dimensions.
—adj.
  1. basic or essential.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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