Definition: the length of a straight line passing through the center of a circle and connecting two points on the circumference
Similar words: length
Definition: the linear extent in space from one end to the other; the longest dimension of something that is fixed in place
Usage: the length of the table was 5 feet
Synonyms: diameter
Definition: 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)
Similar words: straight line
Definition: a line traced by a point traveling in a constant direction; a line of zero curvature
Usage: the shortest distance between two points is a straight line