perimeter
playSimple Definition of perimeter

: the outside edge of an area or surface

: the total length of the lines that form a shape

the perimeter basketball : the area on a basketball court that is not close to the basket
Full Definition of perimeter
1 a : the boundary of a closed plane figure b : the length of a perimeter
2 : a line or strip bounding or protecting an area
3 : outer limits —often used in plural
4 : the part of a basketball court outside the threepoint line
Examples of perimeter
He scored from the perimeter.
<soldiers guarding the perimeter of the camp>
Origin of perimeter
Middle English perimetre, from Latin perimetros, from Greek, from peri + metron measure — more at measure
First Known Use: 15th century
Other Mathematics and Statistics Terms
PERIMETER Defined for Kids
perimeter
playDefinition of perimeter
1 : the whole outer boundary of a figure or area
2 : the length of the boundary of a figure
Word Root of perimeter
The Greek word metron, meaning “measure,” gives us the root metr. Words from the Greek metron have something to do with measuring. A thermometer is an instrument that measures temperature. A diameter is the measurement across the center of a circle. The metric system is a system used for measuring size, weight, and volume. A perimeter is the measurement of the outside of a figure or shape.
Medical Dictionary
perimeter
playMedical Definition of perimeter
1a: the boundary of a closed plane figureb: the length of a perimeter
2: an instrument for examining the discriminative powers of different parts of the retina often consisting of an adjustable semicircular arm with a fixation point for the eye and variable stations for the visual stimuli
Learn More about perimeter

Thesaurus: All synonyms and antonyms for "perimeter" Medical Dictionary: Definition of "perimeter" Spanish Central: Translation of "perimeter" Nglish: Translation of "perimeter" for Spanish speakers Britannica English: Translation of "perimeter" for Arabic speakers
Seen and Heard
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