perimetry

perimeter

[puh-rim-i-ter]
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:
1585–95; < French périmètre < Latin perimetros (feminine) < Greek perímetron (neuter). See peri-, -meter

perimeterless, adjective
perimetral, perimetric [per-uh-me-trik] , perimetrical, adjective
perimetrically, adverb
perimetry, noun

parameter, perimeter.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To perimetry
Collins
World English Dictionary
perimeter (pəˈrɪmɪtə)
 
n
1.  maths
 a.  the curve or line enclosing a plane area
 b.  the length of this curve or line
2.  a.  any boundary around something, such as a field
 b.  (as modifier): a perimeter fence; a perimeter patrol
3.  a medical instrument for measuring the limits of the field of vision
 
[C16: from French périmètre, from Latin perimetros; see peri-, -meter]
 
perimetric
 
adj
 
peri'metrical
 
adj
 
peri'metrically
 
adv
 
pe'rimetry
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

perimeter
1592, "line around a figure or surface," from L. perimetros, from Gk. perimetros "circumference," from peri- "around" + metron "measure" (see meter (2)). Military sense of "boundary of a defended position" is attested from 1943.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

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.

perimetry pe·rim·e·try (pə-rĭm'ĭ-trē)
n.
The determination of the limits of the visual field.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
perimeter   (pə-rĭm'ĭ-tər)  Pronunciation Key 
  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.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature