diameter (redirected from cranial d's, craniometric d's)

diameter

a. a straight line connecting the centre of a geometric figure, esp a circle or sphere, with two points on the perimeter or surface

b. the length of such a line

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diameter [dī′am·əd·ər]

(mathematics)

A line segment which passes through the center of a circle, and whose end points lie on the circle.

The length of such a line.

For a conic, any straight line that passes through the midpoints of all the chords of the conic that are parallel to a given chord.

For a set, the smallest number that is greater than or equal to the distance between every pair of points of the set.

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diameter - The diameter of a graph is the maximum value of the minimum distance between any two nodes.