# Circle vs. Spiral — What's the Difference?

## Compare with Definitions

#### Circle

A circle is a shape consisting of all points in a plane that are at a given distance from a given point, the centre; equivalently it is the curve traced out by a point that moves in a plane so that its distance from a given point is constant. The distance between any point of the circle and the centre is called the radius.
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#### Spiral

In mathematics, a spiral is a curve which emanates from a point, moving farther away as it revolves around the point.
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#### Circle

A round plane figure whose boundary (the circumference) consists of points equidistant from a fixed point (the centre)
Draw a circle with a compass
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#### Spiral

A curve on a plane that winds around a fixed center point at a continuously increasing or decreasing distance from the point.
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#### Circle

A group of people with a shared profession, interests, or acquaintances
She did not normally move in such exalted circles
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#### Spiral

A three-dimensional curve that turns around an axis at a constant or continuously varying distance while moving parallel to the axis; a helix.
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#### Circle

Move all the way around (someone or something), especially more than once
They were circling Athens airport
We circled round the island
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#### Spiral

Something having the form of such a curve
A spiral of black smoke.
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#### Circle

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

(Printing) A spiral binding.
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#### Circle

A planar region bounded by a circle.
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#### Spiral

The course or flight path of an object rotating on its longitudinal axis.
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#### Circle

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

A continuously accelerating increase or decrease
The wage-price spiral.
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#### Circle

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

Of or resembling a spiral.
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#### Circle

A traffic circle.
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#### Spiral

Circling around a center at a continuously increasing or decreasing distance.
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#### Circle

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

Coiling around an axis in a constantly changing series of planes; helical.
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#### Circle

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

(Printing) Relating to or having a spiral binding
A spiral notebook.
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#### Circle

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

To take a spiral form or course.
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#### Circle

A sphere of influence or interest; domain.
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#### Spiral

To rise or fall with steady acceleration.
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#### Circle

(Logic)A vicious circle.
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#### Spiral

To cause to take a spiral form or course.
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#### Circle

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

(geometry) A curve that is the locus of a point that rotates about a fixed point while continuously increasing its distance from that point. Category:en:Curves
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#### Circle

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

(informal) A helix.
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#### Circle

To move in a circle.
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#### Spiral

A self-sustaining process with a lot of momentum involved, so it is difficult to accelerate or stop it at once.
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#### Circle

(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
R2}} is a circle of radius r around the point (1, 0).
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#### Spiral

(rail) A section of track that forms a circle and crosses over itself, used for gaining height in mountainous territory.
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#### Circle

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.
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#### Spiral

Helical, like a spiral.
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#### Circle

Any shape, curve or arrangement of objects that approximates to or resembles the geometric figures.
Children, please join hands and form a circle.
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#### Spiral

(intransitive) To move along the path of a spiral or helix.
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#### Circle

Any thin three-dimensional equivalent of the geometric figures.
Cut a circle out of that sheet of metal.
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#### Spiral

(transitive) To cause something to spiral.
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#### Circle

A curve that more or less forms part or all of a circle.
The crank moves in a circle.
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#### Spiral

To increase continually.
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#### Circle

A specific group of persons; especially one who shares a common interest.
Inner circle
Circle of friends
Literary circle
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#### Spiral

Winding or circling round a center or pole and gradually receding from it; as, the spiral curve of a watch spring.
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#### Circle

The orbit of an astronomical body.
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#### Spiral

Winding round a cylinder or imaginary axis, and at the same time rising or advancing forward; winding like the thread of a screw; helical.
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#### Circle

(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.
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#### Spiral

Of or pertaining to a spiral; like a spiral.
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#### Circle

(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.
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#### Spiral

A plane curve, not reëntrant, described by a point, called the generatrix, moving along a straight line according to a mathematical law, while the line is revolving about a fixed point called the pole. Cf. Helix.
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#### Spiral

Anything which has a spiral form, as a spiral shell.
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#### Circle

(obsolete) Compass; circuit; enclosure.
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#### Spiral

A plane curve traced by a point circling about the center but at ever-greater distances from it
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#### Circle

(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.
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#### Spiral

A curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
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#### Circle

A series ending where it begins, and repeating itself.
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#### Spiral

Ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center
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#### Circle

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

A structure consisting of something wound in a continuous series of loops;
A coil of rope
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#### Circle

Indirect form of words; circumlocution.
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#### Spiral

Flying downward in a helical path with a large radius
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#### Circle

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.
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#### Spiral

To wind or move in a spiral course;
The muscles and nerves of his fine drawn body were coiling for action
Black smoke coiling up into the sky
The young people gyrated on the dance floor
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#### Circle

(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.
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#### Spiral

Form a spiral;
The path spirals up the mountain
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#### Circle

(transitive) To travel around along a curved path.
The wolves circled the herd of deer.
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#### Spiral

Move in a spiral or zigzag course
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#### Circle

(transitive) To surround.
A high fence circles the enclosure.
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#### Spiral

In the shape of a coil
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#### Circle

(transitive) To place or mark a circle around.
Circle the jobs that you are interested in applying for.
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#### Circle

(intransitive) To travel in circles.
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#### Circle

A plane figure, bounded by a single curve line called its circumference, every part of which is equally distant from a point within it, called the center.
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#### Circle

The line that bounds such a figure; a circumference; a ring.
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#### Circle

An instrument of observation, the graduated limb of which consists of an entire circle.
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#### Circle

A round body; a sphere; an orb.
It is he that sitteth upon the circle of the earth.
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#### Circle

Compass; circuit; inclosure.
In the circle of this forest.
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#### Circle

A company assembled, or conceived to assemble, about a central point of interest, or bound by a common tie; a class or division of society; a coterie; a set.
As his name gradually became known, the circle of his acquaintance widened.
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#### Circle

A circular group of persons; a ring.
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#### Circle

A series ending where it begins, and repeating itself.
Thus in a circle runs the peasant's pain.
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#### Circle

A form of argument in which two or more unproved statements are used to prove each other; inconclusive reasoning.
That heavy bodies descend by gravity; and, again, that gravity is a quality whereby a heavy body descends, is an impertinent circle and teaches nothing.
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#### Circle

Indirect form of words; circumlocution.
Has he given the lie,In circle, or oblique, or semicircle.
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#### Circle

A territorial division or district.
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#### Circle

To move around; to revolve around.
Other planets circle other suns.
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#### Circle

To encompass, as by a circle; to surround; to inclose; to encircle.
Their heads are circled with a short turban.
So he lies, circled with evil.
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#### Circle

To move circularly; to form a circle; to circulate.
Thy name shall circle round the gaping through.
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#### Circle

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
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#### Circle

An unofficial association of people or groups;
The smart set goes there
They were an angry lot
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#### Circle

Something approximating the shape of a circle;
The chairs were arranged in a circle
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#### Circle

Movement once around a course;
He drove an extra lap just for insurance
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#### Circle

A road junction at which traffic streams circularly around a central island;
The accident blocked all traffic at the rotary
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#### Circle

Street names for flunitrazepan
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#### Circle

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
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#### Circle

Any circular or rotating mechanism;
The machine punched out metal circles
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#### Circle

Travel around something;
Circle the globe
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Move in circles
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#### Circle

Be around;
Developments surround the town
The river encircles the village
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#### Circle

Form a circle around;
Encircle the errors
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