# Sector vs. Sphere — What's the Difference?

## Difference Between Sector and Sphere

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## Compare with Definitions

#### Sector

An area or portion that is distinct from others

Operations in the southern sector of the North Sea

#### Sphere

A sphere (from Greek σφαῖρα—sphaira, "globe, ball") is a geometrical object in three-dimensional space that is the surface of a ball (viz., analogous to the circular objects in two dimensions, where a "circle" circumscribes its "disk"). Like a circle in a two-dimensional space, a sphere is defined mathematically as the set of points that are all at the same distance r from a given point in a three-dimensional space.

#### Sector

The plane figure enclosed by two radii of a circle or ellipse and the arc between them.

#### Sphere

A round solid figure, or its surface, with every point on its surface equidistant from its centre.

#### Sector

A mathematical instrument consisting of two arms hinged at one end and marked with sines, tangents, etc. for making diagrams.

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#### Sphere

An area of activity, interest, or expertise; a section of society or an aspect of life distinguished and unified by a particular characteristic

Political reforms to match those in the economic sphere

#### Sector

A part or division, as of a city or a national economy

The manufacturing sector.

#### Sphere

Enclose in or as if in a sphere

Mourners, sphered by their dark garb

#### Sector

The portion of a circle bounded by two radii and the included arc.

#### Sphere

(Mathematics) A three-dimensional surface, all points of which are equidistant from a fixed point.

#### Sector

A measuring instrument consisting of two graduated arms hinged together at one end.

#### Sphere

A spherical object or figure.

#### Sector

(Computers) A portion of a storage device making up the smallest addressable unit of information.

#### Sphere

A celestial body, such as a planet or star.

#### Sector

A division of a defensive position for which one military unit is responsible.

#### Sphere

The sky, appearing as a hemisphere to an observer

The sphere of the heavens.

#### Sector

A division of an offensive military position.

#### Sphere

Any of a series of concentric, transparent, revolving globes that together were once thought to contain the moon, sun, planets, and stars.

#### Sector

To divide (something) into sectors.

#### Sphere

A range or extent of knowledge, interest, or activity

A problem that falls within the sphere of biophysics.

#### Sector

Section

#### Sphere

A social level or part of society or group

Knew few people beyond his partner's sphere.

#### Sector

Zone (designated area).

#### Sphere

A range of power or influence

Within the sphere of the empire.

#### Sector

(geometry) part of a circle, extending to the center; circular sector

#### Sphere

To form into a sphere.

#### Sector

(computer hardware) fixed-sized unit (traditionally 512 bytes) of sequential data stored on a track of a digital medium (compare to block)

#### Sphere

To put in or within a sphere.

#### Sector

(military) an area designated by boundaries within which a unit operates, and for which it is responsible

#### Sphere

(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 . Category:en:Surfaces

#### Sector

(military) one of the subdivisions of a coastal frontier

#### Sphere

A spherical physical object; a globe or ball.

#### Sector

(science fiction) a fictional region of space designated for navigational or governance purposes.

#### Sphere

The apparent outer limit of space; the edge of the heavens, imagined as a hollow globe within which celestial bodies appear to be embedded.

#### Sector

(calculation) an instrument consisting of two rulers of equal length joined by a hinge.

#### Sphere

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).

#### Sector

A field of economic activity

Public sector;

Private sector

#### Sphere

(mythology) An area of activity for a planet; or by extension, an area of influence for a god, hero etc.

#### Sector

(engineering) A toothed gear whose face is the arc of a circle.

#### Sphere

(figuratively) The region in which something or someone is active; one's province, domain.

#### Sector

(motor racing) A fixed, continuous section of the track, such that sectors do not overlap but all sectors make up the whole track.

#### Sphere

(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 .

#### Sector

(climbing) An area of a crag, consisting of various routes

#### Sphere

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

#### Sector

A part of a circle comprehended between two radii and the included arc.

#### Sphere

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

#### Sector

A mathematical instrument, consisting of two rulers connected at one end by a joint, each arm marked with several scales, as of equal parts, chords, sines, tangents, etc., one scale of each kind on each arm, and all on lines radiating from the common center of motion. The sector is used for plotting, etc., to any scale.

#### Sphere

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

#### Sector

An astronomical instrument, the limb of which embraces a small portion only of a circle, used for measuring differences of declination too great for the compass of a micrometer. When it is used for measuring zenith distances of stars, it is called a zenith sector.

#### Sphere

A body or space contained under a single surface, which in every part is equally distant from a point within called its center.

#### Sector

A plane figure bounded by two radii and the included arc of a circle

#### Sphere

Hence, any globe or globular body, especially a celestial one, as the sun, a planet, or the earth.

Of celestial bodies, first the sun,A mighty sphere, he framed.

#### Sector

A body of people who form part of society or economy;

The public sector

#### Sphere

The apparent surface of the heavens, which is assumed to be spherical and everywhere equally distant, in which the heavenly bodies appear to have their places, and on which the various astronomical circles, as of right ascension and declination, the equator, ecliptic, etc., are conceived to be drawn; an ideal geometrical sphere, with the astronomical and geographical circles in their proper positions on it.

#### Sector

A particular aspect of life or activity;

He was helpless in an important sector of his life

#### Sphere

The extension of a general conception, or the totality of the individuals or species to which it may be applied.

#### Sector

The minimum track length that can be assigned to store information; unless otherwise specified a sector of data consists of 512 bytes

#### Sphere

Circuit or range of action, knowledge, or influence; compass; province; employment; place of existence.

To be called into a huge sphere, and not to be seen to move in 't.

Taking her out of the ordinary relations with humanity, and inclosing her in a sphere by herself.

Each in his hidden sphere of joy or woeOur hermit spirits dwell.

#### Sector

A portion of a military position

#### Sphere

Rank; order of society; social positions.

#### Sector

Measuring instrument consisting of two graduated arms hinged at one end

#### Sphere

An orbit, as of a star; a socket.

#### Sphere

To place in a sphere, or among the spheres; to insphere.

The glorious planet SolIn noble eminence enthroned and spheredAmidst the other.

#### Sphere

To form into roundness; to make spherical, or spheral; to perfect.

#### Sphere

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

Any spherically shaped artifact

#### Sphere

The geographical area in which one nation is very influential

#### Sphere

A particular aspect of life or activity;

He was helpless in an important sector of his life

#### Sphere

A solid figure bounded by a spherical surface (including the space it encloses)

#### Sphere

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

#### Sphere

The apparent surface of the imaginary sphere on which celestial bodies appear to be projected

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