Still, many textbooks of the Early Middle Ages supported the sphericity of the Earth.
From the en.wikipedia.org
This is the simplest spatial arrangement of atoms after the sphericity of single atoms.
From the en.wikipedia.org
The Earth's deviation from sphericity is due mainly to its rotation.
From the newscientist.com
A lot of the values are manually calculated assuming sphericity.
From the en.wikipedia.org
Sphericity is synonymous with roundness.
From the newscientist.com
Being simply a consequence of the sphericity of the Earth, this would be true even if the Earth didn't rotate.
From the en.wikipedia.org
The sphericity of the Earth is also accounted for in the work of Ptolemy, on which ancient astronomy was largely based.
From the en.wikipedia.org
The sphericity of the Earth was established by Hellenistic astronomy in the 3rd century BC, and the earliest terrestrial globe appeared from that period.
From the en.wikipedia.org
In the Almagest, which remained the standard work of astronomy for 1,400 years, he advanced many arguments for the sphericity of the Earth.
From the en.wikipedia.org
More examples
The roundness of a 3-dimensional object
(spherical) of or relating to spheres or resembling a sphere; "spherical geometry"
(spherical) ball-shaped: having the shape of a sphere or ball; "a spherical object"; "nearly orbicular in shape"; "little globular houses like mud-wasp nests"- Zane Grey
Sphericity is a measure of how spherical (round) an object is. As such, it is a specific example of a compactness measure of a shape. ...
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
(spherical) A contact lens design that is like a sphere and is fairly common; in contrast, toric lenses for astigmatism are football-shaped and are less common.
(Spherical) A simply polynomial expression used in semi-variogram modelling. It has a quasi linear behaviour near the origin, followed by stabilisation at the sill.
(Spherical) Cylindrical, and Axis will be explained further below. Most eyeglass prescriptions will contain values here. The "spherical" and "cylindrical" columns contain lens strengths in diopters (see below); "axis" contains the direction of the cylinder axis in degrees.
(Spherical) Optical system which in which the magnifications in the vertical and horizontal dimensions of the picture are the same.