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Definition of perimeter noun from the Oxford Advanced Learner's Dictionary

perimeter

noun
 
/pəˈrɪmɪtə(r)/
 
/pəˈrɪmɪtər/
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  1. the outside edge of an area of land
    • Guards patrol the perimeter of the estate.
    • a perimeter fence/track/wall
    Extra Examples
    • Many of the offices are located on the perimeter of the site.
    • The gunman did not breach the security perimeter around the White House.
    • The river marks the eastern perimeter of our land.
    • There's a small shop on the perimeter of the camp.
    • They demonstrated just outside the perimeter of the embassy.
    • We walked around the perimeter of the prison.
    • There is a 15-foot perimeter fence.
    Oxford Collocations Dictionaryadjective
    • inner
    • outer
    • northern
    verb + perimeter
    • establish
    • form
    • mark
    perimeter + noun
    • fence
    • fencing
    • wall
    preposition
    • along the perimeter
    • around the perimeter
    • round the perimeter
    See full entry
  2. (mathematics) the total length of the outside edge of an area or a shape
    • Find the area and perimeter of the following shapes.
    compare circumferenceTopics Colours and Shapesc2, Maths and measurementc2
    Oxford Collocations Dictionaryadjective
    • inner
    • outer
    • northern
    verb + perimeter
    • establish
    • form
    • mark
    perimeter + noun
    • fence
    • fencing
    • wall
    preposition
    • along the perimeter
    • around the perimeter
    • round the perimeter
    See full entry
  3. Word Originlate Middle English: via Latin from Greek perimetros, based on peri- ‘around’ + metron ‘measure’.
See perimeter in the Oxford Advanced American Dictionary
ancient
adjective
 
 
From the Word list
Oxford 3000
A2
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