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### Meaning of DIAMETER

 Pronunciation: dI'amitur WordNet Dictionary Definition: [n]  the length of a straight line passing through the center of a circle and connecting two points on the circumference [n]  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 is a 8 letter word that starts with D. Synonyms: diam See Also: Webster's 1913 Dictionary Definition: ```\Di*am"e*ter\, n. [F. diam[`e]tre, L. diametros, fr. Gr. ?; dia` through + ? measure. See {Meter}.] 1. (Geom.) (a) 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. (b) A diametral plane. 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. Note: In an elongated object the diameter is usually taken at right angles to the longer axis. 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}. ``` Computing Dictionary Definition: The diameter of a graph is the maximum value of the minimum distance between any two nodes. Medical Dictionary Definition: The length of a straight line that extends from one edge of a tumor or other object, through its center and to the opposite edge. It is usually used to measure the size of round or spherical shapes. Thesaurus Terms Related Terms: air line, amplitude, area, axis, beeline, bigness, bisector, body, bore, boundary, breadth, bulk, caliber, center, chord, core, coverage, depth, diagonal, diaphragm, dimension, dimensions, direct line, directrix, divider, edge, equator, expanse, expansion, extension, extent, gauge, girth, great-circle course, greatness, halfway mark, heart, height, interior, kernel, largeness, length, line of demarcation, magnitude, mass, mean, measure, measurement, median, middle, midmost, midriff, midst, normal, nucleus, partition, perpendicular, proportion, proportions, radius, radius vector, range, reach, right line, scale, scope, secant, segment, semidiameter, shortcut, side, size, spread, straight, straight course, straight line, straight stretch, straightaway, streamline, tangent, thick, thick of things, transversal, vector, volume, waist, waistline, width, zone