radius: význam a definície

Mathematics A line segment that joins the center of a circle with any point on its circumference.

Mathematics A line segment that joins the center of a sphere with any point on its surface.

Mathematics A line segment that joins the center of a regular polygon with any of its vertices.

Mathematics The length of any such line segment.

A circular area measured by a given radius: every family within a radius of 25 miles of the city center.

A bounded range of effective activity or influence: the operating radius of a helicopter.

A radial part or structure, such as a mechanically pivoted arm or the spoke of a wheel.

Anatomy A long, prismatic, slightly curved bone, the shorter and thicker of the two forearm bones, located on the lateral side of the ulna.

Anatomy A similar bone in many vertebrates.