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Webster 1913 Edition

Perimeter

Per-im′e-ter

,
Noun.
[Gr. [GREEK];
περί
around + [GREEK] measure: cf. F.
périmètre
.]
1.
(Geom.)
The outer boundary of a body or figure, or the sum of all the sides.
2.
An instrument for determining the extent and shape of the field of vision.

Webster 1828 Edition

Perimeter

PERIM'ETER

,
Noun.
[Gr. about, and measure.] In geometry, the bounds and limits of a body or figure. The perimeters of surfaces or figures are lines; those of bodies are surfaces. In circular figures, instead of perimeter, we use circumference or periphery.

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