Langimage
English

perimeter

|pe/ri/me/ter|

B2

🇺🇸

/pəˈrɪmɪtər/

🇬🇧

/pəˈrɪmɪtə/

boundary line

Etymology
Etymology Information

'perimeter' originates from Greek, specifically the word 'perimetros,' where 'peri-' meant 'around' and 'metron' meant 'measure.'

Historical Evolution

'perimetros' transformed into the Latin word 'perimetrium,' and eventually became the modern English word 'perimeter' through Old French.

Meaning Changes

Initially, it meant 'measure around,' but over time it evolved into its current meaning of 'boundary or edge of an area.'

Meanings by Part of Speech

Noun 1

the continuous line forming the boundary of a closed geometric figure.

The perimeter of the square is 16 meters.

Synonyms

Antonyms

Noun 2

the outermost parts or boundary of an area or object.

Security guards patrolled the perimeter of the building.

Synonyms

Antonyms

Last updated: 2025/01/11 11:40