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
- Any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.
- The length of such a line.
- For a set in a metric space is the maximum distance between two points
- The maximum eccentricity over all vertices in a graph.
Noun
- diameter (length of diametrical chord)