Definition of Circle

1. Noun. 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"

Specialized synonyms: Circle Of Curvature, Osculating Circle, Circlet, Equator, Epicycle
Terms within: Arc
Generic synonyms: Ellipse, Oval
Derivative terms: Circular

2. Verb. Travel around something. "Circle the globe"

3. Noun. An unofficial association of people or groups. "They were an angry lot"

4. Verb. Move in circles.
Exact synonyms: Circulate
Generic synonyms: Go, Locomote, Move, Travel
Specialized synonyms: Orb, Orbit, Revolve, Troll, Loop, Loop

5. Noun. Something approximating the shape of a circle. "The chairs were arranged in a circle"
Generic synonyms: Form, Shape

6. Verb. Form a circle around. "Encircle the errors"
Exact synonyms: Encircle
Generic synonyms: Form, Shape
Derivative terms: Encirclement

7. Noun. Movement once around a course. "He drove an extra lap just for insurance"
Exact synonyms: Circuit, Lap
Generic synonyms: Locomotion, Travel
Specialized synonyms: Pace Lap, Lap Of Honour, Victory Lap
Derivative terms: Circular, Circulate

8. Noun. A road junction at which traffic streams circularly around a central island. "The accident blocked all traffic at the rotary"
Exact synonyms: Rotary, Roundabout, Traffic Circle
Generic synonyms: Junction
Group relationships: Road, Route

9. Noun. Street names for flunitrazepan.
Exact synonyms: Forget Me Drug, Mexican Valium, R-2, Roach, Roofy, Rope, Rophy
Generic synonyms: Flunitrazepan, Rohypnol

10. Noun. 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"
Exact synonyms: Dress Circle
Generic synonyms: Seating, Seating Area, Seating Room, Seats
Group relationships: House, Theater, Theatre

11. Noun. Any circular or rotating mechanism. "The machine punched out metal circles"
Exact synonyms: Round
Specialized synonyms: Disc, Disk
Generic synonyms: Rotating Mechanism
Derivative terms: Circular, Circulate, Round

Definition of Circle

1. n. 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.

2. v. t. To move around; to revolve around.

3. v. i. To move circularly; to form a circle; to circulate.

Definition of Circle

1. Noun. (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. ¹

2. Noun. 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. ¹

3. Noun. Any thin three-dimensional equivalent of the geometric figures. ¹

4. Noun. A curve that more or less forms part or all of a circle. ¹

5. Noun. Orbit. ¹

6. Noun. A specific group of persons. ¹

7. Noun. (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. ¹

8. Noun. (context: Wicca) A ritual circle that is casted three times deosil and closes three times widdershins either in the air with a wand or literally with stones or other itmes used for worship ¹

9. Verb. (transitive) To travel around along a curved path. ¹

10. Verb. (transitive) To surround. ¹

11. Verb. (transitive) To place or mark a circle around. ¹

12. Verb. (intransitive) To travel in circles. ¹

¹ Source:

Definition of Circle

1. to move or revolve around [v -CLED, -CLING, -CLES]

Medical Definition of Circle

1. 1. A ring-shaped structure or group of structures. 2. A line or process with every point equidistant from the centre. Synonym: circellus. Origin: L. Circulus (05 Mar 2000)

Circle Pictures

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Lexicographical Neighbors of Circle

circellus venosus hypoglossi
circinate retinitis
circinate retinopathy
circle (current term)
circle absorption anaesthesia
circle around
circle contact lens
circle contact lenses
circle gets the square
circle jerked
circle jerking

Literary usage of Circle

Below you will find example usage of this term as found in modern and/or classical literature:

1. Pelicotetics, Or, The Science of Quantity: Or, The Science of Quantity. An by Archibald Sandeman (1868)
"That the same numerical quantity should express the circumference in reference to the diameter as unit of any circle whatever can only be because the ratio ..."

2. The Thirteen Books of Euclid's Elements by Euclid, Johan Ludvig Heiberg (1908)
"Therefore, as the square on BD is to the square on FH, so is not the circle ABCD to any area less than the circle Similarly we can prove that neither is the ..."

3. Science by American Association for the Advancement of Science (1896)
"ONE advantage claimed for the use of a movable circle is, that it tends to eliminate the effect of graduation errors. This effect will not be entirely ..."

4. A History of Greek Mathematics by Thomas Little Heath (1921)
"Produce OL to meet the circle in P. Then OK = KL = LN. Therefore, in the triangle 0/,-V, ... AC as base describe a segment of a circle containing an ..."

5. Transactions by Cambridge Philosophical Society (1885)
"In particular if the given circle be real, and the curve of centres is a real ellipse inclosing the given circle, then the real portion of the envelope ..."

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