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www.dictionary.com/browse/circle

Circle, club, coterie, set, society are terms applied to restricted social groups. A circle may be a little group; ... British Dictionary definitions for circle. circle. noun. maths a closed plane curve every point of which is equidistant from a given fixed point, the centre.

www.merriam-webster.com/dictionary/circle

English Language Learners Definition of circle (Entry 1 of 2): a perfectly round shape : a line that is curved so that its ends meet and every point on the line is the same distance from the center: a path that goes around a central point: an arrangement of people or things that forms a circle.

www.mathsisfun.com/definitions/circle.html

Illustrated definition of Circle: A 2-dimensional shape made by drawing a curve that is always the same distance from a...

en.wikipedia.org/wiki/Circle

Euclid's definition. A circle is a plane figure bounded by one line, and such that all right lines drawn from a certain point within it to the bounding line, are equal. The bounding line is called its circumference and the point, its centre.

www.thefreedictionary.com/circle

circle of curvature, osculating circle - the circle that touches a curve (on the concave side) and whose radius is the radius of curvature circlet - a small circle equator - a circle dividing a sphere or other surface into two usually equal and symmetrical parts

www.mathopenref.com/circle.html

A circle is the locus of all points a fixed distance from a given (center) point. This definition assumes the plane is composed of an infinite number of points and we select only those that are a fixed distance from the center.

www.yourdictionary.com/circle

The definition of a circle is a curved line that is the same distance from the center all the way around and connects at the point where it began. An example of circle is a round plate. An example of circle is the earth.

www.collinsdictionary.com/dictionary/english/circle

A circle is a shape consisting of a curved line completely surrounding an area. Every part of the line is the same distance from the centre of the area. The flag was red, with a large white circle in the centre. I wrote down the number 46 and drew a circle around it ...

www.mathsisfun.com/geometry/circle.html

Definition : The circle is a plane shape (two dimensional), so: ... A line that cuts the circle at two points is called a Secant. A line segment that goes from one point to another on the circle's circumference is called a Chord. If it passes through the center it is called a Diameter.

dictionary.cambridge.org/dictionary/english/circle

circle definition: 1. a continuous curved line, the points of which are always the same distance away from a fixed central point, or the area inside such a line: 2. a group of people with family, work, or social connections: 3. an upper floor in a theatre or cinema where people sit to watch the….