(mathematics) Used to form nouns indicating a sphere of x dimensions / Designating a spherical field or object. / Designating a global system or layer of the Earth or another planet.

The practice of humans traveling in a sphere, generally made of transparent plastic, usually for fun.

The practice of humans traveling in a sphere, generally made of transparent plastic, usually for fun.

(transitive) To place in a sphere, or among the spheres; to ensphere. / (transitive) To make round or spherical; to perfect.

(mathematics) A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter .

plural of sphere

Third-person singular simple present indicative form of sphere

simple past tense and past participle of sphere

(cosmology) In geocentric cosmologies, that region of the cosmos from the centre of the Earth to the moon, believed to comprise the four classical elements (earth, air, fire and water) and to be subject to generation and corruption.

plural of Dyson sphere