Word:

# Diameter

Di`am´e`ter
n.1.(Geom.) Any right line passing through the center of a figure or body, as a circle, conic section, sphere, cube, etc., and terminated by the opposite boundaries; a straight line which bisects a system of parallel chords drawn in a curve.
2.The length of a straight line through the center of an object from side to side; width; thickness; as, the diameter of a tree or rock.
3.(Arch.) The distance through the lower part of the shaft of a column, used as a standard measure for all parts of the order. See Module.
 Conjugate diameters See under Conjugate.
 Noun 1 diameter - the length of a straight line passing through the center of a circle and connecting two points on the circumferenceSynonyms: diam 2 diameter - 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)
 diameter - The diameter of a graph is the maximum value of the minimum distance between any two nodes.
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