sphericity.
The quality of being spherical, being a sphere.
Meaning & usage
The quality of being spherical, being a sphere.
The ratio of the surface area of a given particle to the surface area of a sphere with the same volume.
Where this word comes from
From spheric + -ity. In the geometrical sense, defined by the geologist Hakon Wadell in 1935.
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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.