circumference

[ ser-kuhm-fer-uhns ]
/ sərˈkʌm fər əns /

noun

the outer boundary, especially of a circular area; perimeter: the circumference of a circle.
the length of such a boundary: a one-mile circumference.
the area within a bounding line: the vast circumference of his mind.

Origin of circumference

1350–1400; Middle English < Late Latin circumferentia, equivalent to circum- circum- + fer- (stem of ferre to carry) + -entia -ence

WORDS THAT MAY BE CONFUSED WITH circumference

circumference diameter radius tangent

Example sentences from the Web for circumference

British Dictionary definitions for circumference

circumference
/ (səˈkʌmfərəns) /

noun

the boundary of a specific area or geometric figure, esp of a circle
the length of a closed geometric curve, esp of a circle. The circumference of a circle is equal to the diameter multiplied by π

Derived forms of circumference

circumferential (səˌkʌmfəˈrɛnʃəl), adjective circumferentially, adverb

Word Origin for circumference

C14: from Old French circonference, from Latin circumferre to carry around, from circum- + ferre to bear

Scientific definitions for circumference

circumference
[ sər-kŭmfər-əns ]

The boundary line of a circle.
The boundary line of a figure, area, or object.
The length of such a boundary. The circumference of a circle is computed by multiplying the diameter by pi.

Cultural definitions for circumference

circumference
[ (suhr-kum-fuhr-uhns) ]

The measure of the distance around a circle.