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noun Uncommon

perimeter

pih-RIHM-ih-tuh

Perimeter (noun) means the total distance around the edge of a shape. Example: “She measured the perimeter of the garden before ordering fencing.”

noun
1
The total distance around the edge of a shape.
"She measured the perimeter of the garden before ordering fencing."
2
The outer boundary or edge of an area, especially one that is guarded or fortified.
"Soldiers patrolled the perimeter of the base all night."

How to use perimeter

Learner’s notes

In plain EnglishThe outside edge of a shape or area, or the total length around it.

Common pairings
perimeter fence secure the perimeter perimeter of a triangle

Word forms

perimeters plural

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She measured the _____ of the garden before ordering fencing.

Etymology

From Greek perimetros, from peri- ("around") + metron ("measure").

Origin: Greek

Related words

Rhymes for perimeter

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Frequently asked questions

What does “perimeter” mean?

The word “perimeter” means the total distance around the edge of a shape. In plain terms, the outside edge of a shape or area, or the total length around it.

How do you pronounce “perimeter”?

“Perimeter” is pronounced pih-RIHM-ih-tuh (/pəˈɹɪm.ɪ.təɹ/ in IPA).

How do you use “perimeter” in a sentence?

Here is “perimeter” used in a sentence: “She measured the perimeter of the garden before ordering fencing.”

What is another word for “perimeter”?

Words with a similar meaning to “perimeter” include circumference.

What part of speech is “perimeter”?

“Perimeter” is a noun.

Where does the word “perimeter” come from?

The word “perimeter” comes from Greek. From Greek perimetros, from peri- ("around") + metron ("measure").

Is “perimeter” a common word?

“Perimeter” is an uncommon word in modern English.

How many meanings does “perimeter” have?

“Perimeter” has 2 distinct senses listed in this dictionary. The most common is: the total distance around the edge of a shape.

What is the difference between perimeter and circumference?

Circumference specifically refers to the distance around a circle, while perimeter is the broader term for the total distance around the edge of any shape, circular or not.

What is the difference between perimeter and area?

Perimeter measures the total distance around the outer edge of a shape, a linear measurement, while area measures the amount of space enclosed within that boundary, a two-dimensional measurement.

What does "perimeter" mean in a security context?

In security and military contexts, perimeter refers to the outer boundary or edge of an area, especially one that is guarded or fortified, as in "perimeter defense" or "securing the perimeter."

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Definitions: FreeDict original editorial