Associations to the word «Sphere»

SPHERE, noun. (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 [from 14th c.].

SPHERE, noun. A spherical physical object; a globe or ball. [from 14th c.]

SPHERE, noun. (astronomy) (now rare) The apparent outer limit of space; the edge of the heavens, imagined as a hollow globe within which celestial bodies appear to be embedded. [from 14th c.]

SPHERE, noun. (historical) (astronomy) (mythology) Any of the concentric hollow transparent globes formerly believed to rotate around the Earth, and which carried the heavenly bodies; there were originally believed to be eight, and later nine and ten; friction between them was thought to cause a harmonious sound (the music of the spheres). [from 14th c.]

SPHERE, noun. (mythology) An area of activity for a planet; or by extension, an area of influence for a god, hero etc. [from 14th c.]

SPHERE, noun. (figuratively) The region in which something or someone is active; one's province, domain. [from 17th c.]

SPHERE, noun. (geometry) The set of all points in three-dimensional Euclidean space (or n-dimensional space, in topology) that are a fixed distance from a fixed point [from 20th c.].

SPHERE, noun. (logic) The extension of a general conception, or the totality of the individuals or species to which it may be applied.

SPHERE, verb. (transitive) To place in a sphere, or among the spheres; to ensphere.

SPHERE, verb. (transitive) To make round or spherical; to perfect.

SPHERE OF INFLUENCE, noun. The area (literal or figurative) influenced by a country, person, etc.

SPHERE OF KNOWLEDGE, noun. Unified body or collection of knowledge regarding a specific subject, interest or otherwise area of expertise possessed by an individual.

SPHERE PACKING, noun. (mathematics) The arranging of non-overlapping spheres in space

SPHERE, noun. A particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit".

SPHERE, noun. Any spherically shaped artifact.

SPHERE, noun. The geographical area in which one nation is very influential.

SPHERE, noun. A particular aspect of life or activity; "he was helpless in an important sector of his life".

SPHERE, noun. A solid figure bounded by a spherical surface (including the space it encloses).

SPHERE, noun. A three-dimensional closed surface such that every point on the surface is equidistant from the center.

SPHERE, noun. The apparent surface of the imaginary sphere on which celestial bodies appear to be projected.