perimeter
the circumference or outline of a closed figure; outer boundary of an enclosed area:
the perimeter of the estateNot to be confused with:parameter – a measurable characteristic; a constant factor serving as a limit; guidelines:
the basic parameters of our foreign policy Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
pe·rim·e·ter
(pə-rĭm′ĭ-tər)n.1. Mathematics a. A closed line bounding a plane area.
b. The length of such a line.
3. A defended boundary protecting a military position.
4. Basketball The three-point line.
[Middle English perimetre, from Latin perimetros, from Greek : peri-, peri- + metron, measure; see meter2.]
per′i·met′ric (pĕr′ə-mĕt′rĭk), per′i·met′ri·cal (-rĭ-kəl) adj.
per′i·met′ri·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
perimeter
(pəˈrɪmɪtə) n1. (Mathematics)
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. (Medicine) a medical instrument for measuring the limits of the field of vision
[C16: from French périmètre, from Latin perimetros; see peri-, -meter]
perimetric, ˌperiˈmetrical, peˈrimetral adj
ˌperiˈmetrically adv
peˈrimetry n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
pe•rim•e•ter
(pəˈrɪm ɪ tər)
n. 1. the border or outer boundary of a two-dimensional figure.
2. the length of such a boundary.
3. a line marking a boundary.
4. the outermost limits.
5. an instrument for determining the peripheral field of vision.
[1585–95; < French
périmètre < Latin
perimetros (feminine) < Greek
perímetron (neuter). See
peri-,
-meter]
pe•rim′e•ter•less, adj.
pe•rim′e•tral, per•i•met•ric (ˌpɛr əˈmɛ trɪk) per`i•met′ri•cal, adj.
per`i•met′ri•cal•ly, adv.
pe•rim′e•try, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
pe·rim·e·ter
(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® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.