perimeter
/pəˈrɪm·ɪ·t̬ər/ n [C]Definition
› the outer edge of an area or the border around it: Several bombs landed near the perimeter of the airport. › geometry The perimeter is the outer edge of a flat shape or area. › geometry Perimeter is also the distance around the outer edge of a flat shape.
(Definition of perimeter n from the Cambridge Academic Content Dictionary
© Cambridge University Press)
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