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perimeter

[puh-rim-i-ter] /pəˈrɪm ɪ tər/
noun
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.
Military. a fortified boundary that protects a troop position.
6.
Ophthalmology. an instrument for determining the peripheral field of vision.
Origin
1585-1595
1585-95; < French périmètre < Latin perimetros (feminine) < Greek perímetron (neuter). See peri-, -meter
Related forms
perimeterless, adjective
perimetral, perimetric
[per-uh-me-trik] /ˌpɛr əˈmɛ trɪk/ (Show IPA),
perimetrical, adjective
perimetrically, adverb
perimetry, noun
Can be confused
parameter, perimeter.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for perimetric

perimeter

/pəˈrɪmɪtə/
noun
1.
(maths)
  1. the curve or line enclosing a plane area
  2. the length of this curve or line
2.
  1. any boundary around something, such as a field
  2. (as modifier): a perimeter fence, a perimeter patrol
3.
a medical instrument for measuring the limits of the field of vision
Derived Forms
perimetric (ˌpɛrɪˈmɛtrɪk), perimetrical, adjective
perimetrically, adverb
perimetry, noun
Word Origin
C16: from French périmètre, from Latin perimetros; see peri-, -meter
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for perimetric

perimeter

n.

early 15c., "line around a figure or surface," from Latin perimetros, from Greek perimetron "circumference," from peri- "around" (see peri-) + metron "measure" (see meter (n.2)). Military sense of "boundary of a defended position" is attested from 1943.

Online Etymology Dictionary, © 2010 Douglas Harper
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perimetric in Medicine

perimetric per·i·met·ric (pěr'ə-mět'rĭk)
adj.

  1. Of, relating to, or surrounding the uterus.

  2. Of or relating to the perimetrium.

  3. Of or relating to the circumference of any part or area.

  4. Of or relating to perimetry.

perimeter pe·rim·e·ter (pə-rĭm'ĭ-tər)
n.

  1. The outer limits of an area; circumference.

  2. An instrument used to measure field of vision.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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perimetric in Science
perimeter
  (pə-rĭm'ĭ-tər)   
  1. The sum of the lengths of the segments that form the sides of a polygon.

  2. The total length of any closed curve, such as the circumference of a circle.


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