Definition of circle

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Circle (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..

Lern More About Circle

Sabella :: Sabella (n.) A genus of tubicolous annelids having a circle of plumose gills around the head.
Encircled :: Encircled (imp. & p. p.) of Encircl.
Flourish :: Flourish (v. t.) To move in bold or irregular figures; to swing about in circles or vibrations by way of show or triumph; to brandish.
Ring :: Ring (n.) The plane figure included between the circumferences of two concentric circles.
Circle :: Circle (n.) Compass; circuit; inclosure.
Bezant :: Bezant (n.) A circle in or, i. e., gold, representing the gold coin called bezant..
Salon :: Salon (n.) An apartment for the reception of company; hence, in the plural, fashionable parties; circles of fashionable society..
Secant :: Secant (a.) A right line drawn from the center of a circle through one end of a circular arc, and terminated by a tangent drawn from the other end; the number expressing the ratio line of this line to the radius of the circle. See Trigonometrical function, under Function..
Planisphere :: Planisphere (n.) The representation of the circles of the sphere upon a plane; especially, a representation of the celestial sphere upon a plane with adjustable circles, or other appendages, for showing the position of the heavens, the time of rising and setting of stars, etc., for any given date or hour..
Circle :: Circle (n.) A territorial division or district.
Circle :: Circle (n.) A circular group of persons; a ring.
Bow-compass :: Bow-compass (n.) A small pair of compasses, one leg of which carries a pencil, or a pen, for drawing circles. Its legs are often connected by a bow-shaped spring, instead of by a joint..
Circination :: Circination (n.) A circle; a concentric layer.
Gyrate :: Gyrate (a.) Winding or coiled round; curved into a circle; taking a circular course.
Evolute :: Evolute (n.) A curve from which another curve, called the involute or evolvent, is described by the end of a thread gradually wound upon the former, or unwound from it. See Involute. It is the locus of the centers of all the circles which are osculatory to the given curve or evolvent..
Cycloid :: Cycloid (n.) A curve generated by a point in the plane of a circle when the circle is rolled along a straight line, keeping always in the same plane..
Engarland :: Engarland (v. t.) To encircle with a garland, or with garlands..
Deferent :: Deferent (n.) An imaginary circle surrounding the earth, in whose periphery either the heavenly body or the center of the heavenly body's epicycle was supposed to be carried round..
Generation :: Generation (n.) The formation or production of any geometrical magnitude, as a line, a surface, a solid, by the motion, in accordance with a mathematical law, of a point or a magnitude; as, the generation of a line or curve by the motion of a point, of a surface by a line, a sphere by a semicircle, etc..
Roundel :: Roundel (a.) A circular spot; a sharge in the form of a small circle.
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