Circumference

Pronunciation

• UK IPA: /sɜːˈkÊŒm.fɹəns/
• US IPA: /sɝːˈkÊŒm.fɹəns/
• Rhymes: -É›ns

Origin

From Latin circumferentia, from circum ("around") + ferō ("I carry").

Full definition of circumference

Noun

1. (geometry) The line that bounds a circle or other two-dimensional figure
2. (geometry) The length of such a line
3. (obsolete) The surface of a round or spherical object

Synonyms

• (distance measured around any object): girth
• (distance measured around a race track): lap

Related terms

• diameter
• radius
• perimeter

Verb

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