Diameter
WordNet

noun


(1)   The length of a straight line passing through the center of a circle and connecting two points on the circumference
(2)   A straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)
WiktionaryText

Noun



  1. Any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.
  2. The length of such a line.
  3. For a set in a metric space is the maximum distance between two points
  4. The maximum eccentricity over all vertices in a graph.

Noun



  1. diameter (length of diametrical chord)
 
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