circumference.
The line that bounds a circle or other two-dimensional figure.
Meaning & usage
The line that bounds a circle or other two-dimensional figure.
The length of such a line.
The surface of a round or spherical object.
The length of the longest cycle of a graph.
Where this word comes from
From Latin circumferentia, from circum (“around”) + ferō (“to carry”). Displaced native Old English ymbgang.
To include in a circular space; to bound.
Where this word comes from
From Latin circumferentia, from circum (“around”) + ferō (“to carry”). Displaced native Old English ymbgang.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.