Definition of diameter
- n. - 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.
- n. - A diametral plane.
- n. - 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.
- n. - 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.