circle


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circle

 [ser´k'l]
a round figure, structure, or part.
Berry's c's charts with circles on them for testing stereoscopic vision.
cerebral arterial circle circle of Willis.
Minsky's circle a device for the graphic recording of eye lesions.
sensory circle a body area within which it is impossible to distinguish separately the impressions arising from two sites of stimulation.
circle of Willis the anastomotic loop of blood vessels near the base of the brain. Called also cerebral arterial circle.

cir·cle

(ser'kĕl),
1. anatomy a ring-shaped or anular structure or group of structures, as formed by anastomosing arteries or veins, or by connected (communicating) nerves.
2. A line or process with every point approximately equidistant from the center.
Synonym(s): circulus [TA]
[L. circulus]

cir·cle

(sĭr'kĕl)
1. A ring-shaped structure or group of structures.
Synonym(s): circulus (1) [TA] .
2. A line or process with every point equidistant from the center.
[L. circulus]

cir·cle

(sĭr'kĕl)
anatomy ring-shaped or anular structure or group of structures, as formed by anastomosing arteries or veins, or by connected (communicating) nerves.
[L. circulus]
References in periodicals archive ?
For example, the centre of the fourth circle in this construction is 3.428571 units above the base and it has a radius of 0.4275714 units.
Previously, the only way to see crop circles was to get in a plane and fly around and find them.
Lit circles have been identified as a means of developing this collaborative process in the classroom.
13 Repeat Steps 1 to 12 using a paper circle made from a manila folder.
As a representative on the board of directors, Levesque says Stepping Stones concentrates on small community circles and business as being part of the community.
Now, 2 Columbus Circle, which is being purchased by the American Museum of Arts & Design to serve as its new headquarters, is bound to undergo a dramatic transformation by Allied Works Architecture and Handel & Associates.
Turn the Raccoon Circle into a complete circle or loop using a water knot, and you are ready for the ultimate in sport racing.
Brown's news release says the SAFE Circle "will undertake activities that promote and publicize good product safety practices, educate business about safety, encourage companies to adopt forward-looking safety practices, and recognize outstanding corporate safety behavior." [3]
The intensity and strength of The Circle's female characters (and of the film itself) rise up in defiance of such limitations.
Behold the circle nearest to it and know It owes its rapid movement to the spur Of burning love which keeps it whirling so.
Spread a thin layer of glue on the back of circle 1's flaps and wipe off excess glue.
The next day, just at the right time, the little circle, little square, and the little triangle were playing follow-the-leader with all the other circles, squares, and triangles on their separate hills.