Sphericity

noun

Definitions

Noun
  1. 1
    The quality of being spherical, being a sphere. uncountable
  2. 2
    the roundness of a 3-dimensional object wordnet
  3. 3
    The ratio of the surface area of a given particle to the surface area of a sphere with the same volume. countable

Etymology

From spheric + -ity. In the geometrical sense, defined by the geologist Hakon Wadell in 1935.

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