Perimeter

Noun----
==Entry==
Per-rim-meter
#(mathematics) The sum of the distance of all the lengths of the sides of an object.
#The outer limits of an area. See Synonyms at circumference.
#(mathematics) The length of such a boundary.
#A fortified strip or boundary usually protecting a military position.
#An instrument for determining the extent and shape of the field of vision.
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Category:P