Word Study
diameter
OXFORD DICTIONARY
diameter, n.
1 a a straight line passing from side to side through the centre of a body or figure, esp. a circle or sphere. b the length of this line.
2 a transverse measurement; width, thickness.
3 a unit of linear measurement of magnifying power (a lens magnifying 2000 diameters).
1 a a straight line passing from side to side through the centre of a body or figure, esp. a circle or sphere. b the length of this line.
2 a transverse measurement; width, thickness.
3 a unit of linear measurement of magnifying power (a lens magnifying 2000 diameters).
Derivative
diametral adj.
Etymology
ME f. OF diametre f. L diametrus f. Gk diametros (gramme) (line) measuring across f. metron measure
THESAURUS
diameter
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, zoneROGET THESAURUS
diameter
Thickness,
N breadth, thickness, breadth, width, latitude, amplitude, diameter, bore, caliber, radius, superficial extent, thickness, crassitude, corpulence, dilation, broad, wide, ample, extended, discous, fanlike, outspread, outstretched, wide as a church-door, latifoliate, latifolous, thick, dumpy, squab, squat, thickset, thick as a rope.For further exploring for "diameter" in Webster Dictionary Online