# circle

EN[ˈsɜɹkəl] [ˈsɜː.kəɫ] [ˈsɝ.kəɫ] [-ɜː(ɹ)kəl]US

WCircle

- A circle is a simple shape in Euclidean geometry.
- A circle is a simple closed curve which divides the plane into two regions: an interior and an exterior.
- A circle may also be defined as a special ellipse in which the two foci are coincident and the eccentricity is 0, or the two-dimensional shape enclosing the most area per unit perimeter squared, using calculus of variations.

- NounPLcircles
- (geometry) A two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from another point.
- The set of all points (x, y) such that (x-1)2 + y2 = r2 is a
**circle**of radius r around the point (1, 0).

- The set of all points (x, y) such that (x-1)2 + y2 = r2 is a
- 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 from another point.
- Any thin three-dimensional equivalent of the geometric figures.
- Put on your dunce-cap and sit down on that
**circle**.

- Put on your dunce-cap and sit down on that
- A curve that more or less forms part or all of a circle.
- move in a
**circle**

- move in a
- Orbit.
- A specific group of persons; especially one who shares a common interest.
- inner
**circle**;**circle**of friends

- inner
- (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.
- (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.
- (South Africa) A traffic circle or roundabout.
- OBS Compass; circuit; enclosure.
- (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.
- A series ending where it begins, and repeating itself.
- (logic) A form of argument in which two or more unproved statements are used to prove each other; inconclusive reasoning.
- Indirect form of words; circumlocution.
- 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.

- The ten
- (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.

- After working all night, she had

- (geometry) A two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from another point.
- VerbSGcirclesPRcirclingPT, PPcircled
- More Examples
- Used in the Middle of Sentence
- Any two diameters of a
**circle**intersect each other at the centre. - We show that the observation that a purely real isofrequency line of the PC is close to a mathematical
**circle**is insufficient for establishing homogenizability. - Four equally spaced bolt holes on a bolt
**circle**can be dimensioned at one hole with the notation (TYP) following it.

- Any two diameters of a
- Used in the Ending of Sentence
- By the turn of the century he was starting to become well known in literary
**circles**.

- By the turn of the century he was starting to become well known in literary

- Used in the Middle of Sentence

## Definition of __circle__ in English Dictionary

- Part-of-Speech Hierarchy
- Nouns
- Countable nouns

- Countable nouns
- Verbs
- Intransitive verbs
- Transitive verbs

- Intransitive verbs

- Nouns

Source: Wiktionary

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