Definition of circle

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Circle (n.) The line that bounds such a figure; a circumference; a ring.

Lern More About Circle

Eddy :: Eddy (v. i.) To move as an eddy, or as in an eddy; to move in a circle..
Vorticella :: Vorticella (n.) Any one of numerous species of ciliated Infusoria belonging to Vorticella and many other genera of the family Vorticellidae. They have a more or less bell-shaped body with a circle of vibrating cilia around the oral disk. Most of the species have slender, contractile stems, either simple or branched..
Hypocycloid :: Hypocycloid (n.) A curve traced by a point in the circumference of a circle which rolls on the concave side in the fixed circle. Cf. Epicycloid, and Trochoid..
Segment :: Segment (n.) A piece in the form of the sector of a circle, or part of a ring; as, the segment of a sectional fly wheel or flywheel rim..
Hypotrochoid :: Hypotrochoid (n.) A curve, traced by a point in the radius, or radius produced, of a circle which rolls upon the concave side of a fixed circle. See Hypocycloid, Epicycloid, and Trochoid..
Annulus :: Annulus (n.) The solid formed by a circle revolving around a line which is the plane of the circle but does not cut it.
Epicycle :: Epicycle (n.) A circle which rolls on the circumference of another circle, either externally or internally..
Circuit :: Circuit (n.) The space inclosed within a circle, or within limits..
Owl :: Owl (n.) Any species of raptorial birds of the family Strigidae. They have large eyes and ears, and a conspicuous circle of feathers around each eye. They are mostly nocturnal in their habits..
Subarcuate :: Subarctic (a.) Approximately arctic; belonging to a region just without the arctic circle.
Encircled :: Encircled (imp. & p. p.) of Encircl.
Azimuth :: Azimuth (n.) The quadrant of an azimuth circle.
Circumferentor :: Circumferentor (n.) A surveying instrument, for taking horizontal angles and bearings; a surveyor's compass. It consists of a compass whose needle plays over a circle graduated to 360¡, and of a horizontal brass bar at the ends of which are standards with narrow slits for sighting, supported on a tripod by a ball and socket joint..
Incenter :: Incenter (n.) The center of the circle inscribed in a triangle.
Eccentric :: Eccentric (n.) A circle described about the center of an elliptical orbit, with half the major axis for radius..
Halo :: Halo (n.) A circle of light; especially, the bright ring represented in painting as surrounding the heads of saints and other holy persons; a glory; a nimbus..
Limb :: Limb (n.) The graduated margin of an arc or circle, in an instrument for measuring angles..
Verticil :: Verticil (n.) A circle either of leaves or flowers about a stem at the same node; a whorl.
Circumferentor :: Circumferentor (n.) A graduated wheel for measuring tires; a tire circle.
Concentrical :: Concentrical (a.) Having a common center, as circles of different size, one within another..
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