Circumference Definition

sər-kŭmfər-əns
noun
The line bounding a circle, a rounded surface, or an area suggesting a circle.
Webster's New World
The boundary line of an area or object.
American Heritage
The distance measured by this line.
Webster's New World
The margin or area surrounding something.
American Heritage
Antonyms:
verb

(obsolete) To include in a circular space; to bound.

Wiktionary

Other Word Forms of Circumference

Noun

Singular:
circumference
Plural:
circumferences

Origin of Circumference

  • Middle English from Old French circonference from Latin circumferentia from circumferēns circumferent- present participle of circumferre to carry around circum- circum- ferre to carry bher-1 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin circumferentia, from circum (“around”) + ferō (“I carry”).

    From Wiktionary

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circumference