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Meaning of perimeter

pe•rim•e•ter

Pronunciation: (pu-rim'i-tur), [key]
— n.
  1. the border or outer boundary of a two-dimensional figure.
  2. the length of such a boundary.
  3. a line bounding or marking off an area.
  4. the outermost limits.
  5. a fortified boundary that protects a troop position.
  6. an instrument for determining the peripheral field of vision.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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