# 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.

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## Nearby words

## Origin of circumference

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

## Examples 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 Formscircumferential (səˌkʌmfəˈrɛnʃəl), adjectivecircumferentially, adverb

## Word Origin for circumference

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Word Origin and History for circumference

## circumference

late 14c., from Latin circumferentia, neuter plural of circumferens, present participle of circumferre "to lead around, take around, carry around," from circum "around" (see circum-) + ferre "to carry" (see infer). A loan-translation of Greek periphereia "periphery, the line round a circular body," literally "a carrying round" (see periphery). Related: Circumferential.

Online Etymology Dictionary, © 2010 Douglas Harper

## Science definitions for circumference

## circumference

[ sər-kŭm′fər-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.

The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

## Culture definitions for circumference

## circumference

[ (suhr-kum-fuhr-uhns) ]

The measure of the distance around a circle.

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.