Circle vs. Sphere

Circle vs. Sphere — Is There a Difference?
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Difference Between Circle and Sphere

Circlenoun

A plane curve everywhere equidistant from a given fixed point, the center.

Spherenoun

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

Circlenoun

A planar region bounded by a circle.

Spherenoun

A spherical object or figure.

Circlenoun

Something, such as a ring, shaped like such a plane curve.

Spherenoun

A celestial body, such as a planet or star.

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Circlenoun

A circular or nearly circular course, circuit, or orbit:a satellite's circle around the earth.

Spherenoun

The sky, appearing as a hemisphere to an observer

the sphere of the heavens.

Circlenoun

A traffic circle.

Spherenoun

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

Circlenoun

A series or process that finishes at its starting point or continuously repeats itself; a cycle.

Spherenoun

A range or extent of knowledge, interest, or activity

a problem that falls within the sphere of biophysics.
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Circlenoun

A group of people sharing an interest, activity, or achievement:well-known in artistic circles.

Spherenoun

A social level or part of society or group

knew few people beyond his partner's sphere.

Circlenoun

A territorial or administrative division, especially of a province, in some European countries.

Spherenoun

A range of power or influence

within the sphere of the empire.

Circlenoun

A sphere of influence or interest; domain.

Sphereverb

To form into a sphere.

Circlenoun

(Logic)A vicious circle.

Sphereverb

To put in or within a sphere.

Circleverb

To make or form a circle around:The hedge circles the fountain.

Spherenoun

(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 .

Circleverb

To move in a circle around:The ship circled the island.

Spherenoun

A spherical physical object; a globe or ball.

Circleverb

To move in a circle.

Spherenoun

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

Circlenoun

(geometry) A two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from a given point (center).

The set of all points (x, y) such that (x-1)2 + y2r2 is a circle of radius r around the point (1, 0).

Spherenoun

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).

Circlenoun

A two-dimensional geometric figure, a disk, consisting of the set of all those points of a plane at a distance less than or equal to a fixed distance (radius) from a given point.

Spherenoun

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

Circlenoun

Any thin three-dimensional equivalent of the geometric figures.

Put on your dunce-cap and sit down on that circle.

Spherenoun

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

Circlenoun

A curve that more or less forms part or all of a circle.

move in a circle

Spherenoun

(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 .

Circlenoun

Orbit.

Spherenoun

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

Circlenoun

A specific group of persons; especially one who shares a common interest.

inner circle;circle of friends

Sphereverb

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

Circlenoun

(cricket) A line comprising two semicircles of 30 yards radius centred on the wickets joined by straight lines parallel to the pitch used to enforce field restrictions in a one-day match.

Sphereverb

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

Circlenoun

(Wicca) A ritual circle that is cast three times deosil and closes three times widdershins either in the air with a wand or literally with stones or other items used for worship.

Spherenoun

a particular environment or walk of life;

his social sphere is limitedit was a closed area of employmenthe's out of my orbit

Circlenoun

(South Africa) A traffic circle or roundabout.

Spherenoun

any spherically shaped artifact

Circlenoun

(obsolete) Compass; circuit; enclosure.

Spherenoun

the geographical area in which one nation is very influential

Circlenoun

(astronomy) An instrument of observation, whose graduated limb consists of an entire circle. When fixed to a wall in an observatory, it is called a mural circle; when mounted with a telescope on an axis and in Y's, in the plane of the meridian, a meridian or transit circle; when involving the principle of reflection, like the sextant, a reflecting circle; and when that of repeating an angle several times continuously along the graduated limb, a repeating circle.

Spherenoun

a particular aspect of life or activity;

he was helpless in an important sector of his life

Circlenoun

A series ending where it begins, and repeating itself.

Spherenoun

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

Circlenoun

(logic) A form of argument in which two or more unproved statements are used to prove each other; inconclusive reasoning.

Spherenoun

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

Circlenoun

Indirect form of words; circumlocution.

Spherenoun

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

Circlenoun

A territorial division or district.

The ten Circles of the Holy Roman Empire were those principalities or provinces which had seats in the German Diet.

Circlenoun

(in the plural) A bagginess of the skin below the eyes from lack of sleep.

''After working all night, she had circles under her eyes.

Circleverb

(transitive) To travel around along a curved path.

Circleverb

(transitive) To surround.

Circleverb

(transitive) To place or mark a circle around.

Circle the jobs that you are interested in applying for.

Circleverb

(intransitive) To travel in circles.

Vultures circled overhead.

Circlenoun

ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point;

he calculated the circumference of the circle

Circlenoun

an unofficial association of people or groups;

the smart set goes therethey were an angry lot

Circlenoun

something approximating the shape of a circle;

the chairs were arranged in a circle

Circlenoun

movement once around a course;

he drove an extra lap just for insurance

Circlenoun

a road junction at which traffic streams circularly around a central island;

the accident blocked all traffic at the rotary

Circlenoun

street names for flunitrazepan

Circlenoun

a curved section or tier of seats in a hall or theater or opera house; usually the first tier above the orchestra;

they had excellent seats in the dress circle

Circlenoun

any circular or rotating mechanism;

the machine punched out metal circles

Circleverb

travel around something;

circle the globe

Circleverb

move in circles

Circleverb

be around;

Developments surround the townThe river encircles the village

Circleverb

form a circle around;

encircle the errors