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3 definitions found
 for dimension
From The Collaborative International Dictionary of English v.0.48 :

  Dimension \Di*men"sion\, n. [L. dimensio, fr. dimensus, p. p. of
     dimetiri to measure out; di- = dis- + metiri to measure: cf.
     F. dimension. See Measure.]
     1. Measure in a single line, as length, breadth, height,
        thickness, or circumference; extension; measurement; --
        usually, in the plural, measure in length and breadth, or
        in length, breadth, and thickness; extent; size; as, the
        dimensions of a room, or of a ship; the dimensions of a
        farm, of a kingdom.
        [1913 Webster]
              Gentlemen of more than ordinary dimensions. --W.
        [1913 Webster]
     Space of dimension, extension that has length but no
        breadth or thickness; a straight or curved line.
     Space of two dimensions, extension which has length and
        breadth, but no thickness; a plane or curved surface.
     Space of three dimensions, extension which has length,
        breadth, and thickness; a solid.
     Space of four dimensions, as imaginary kind of extension,
        which is assumed to have length, breadth, thickness, and
        also a fourth imaginary dimension. Space of five or six,
        or more dimensions is also sometimes assumed in
        [1913 Webster]
     2. Extent; reach; scope; importance; as, a project of large
        [1913 Webster]
     3. (Math.) The degree of manifoldness of a quantity; as, time
        is quantity having one dimension; volume has three
        dimensions, relative to extension.
        [1913 Webster]
     4. (Alg.) A literal factor, as numbered in characterizing a
        term. The term dimensions forms with the cardinal numbers
        a phrase equivalent to degree with the ordinal; thus,
        a^{2b^{2}c is a term of five dimensions, or of the fifth
        [1913 Webster]
     5. pl. (Phys.) The manifoldness with which the fundamental
        units of time, length, and mass are involved in
        determining the units of other physical quantities.
     Note: Thus, since the unit of velocity varies directly as the
           unit of length and inversely as the unit of time, the
           dimensions of velocity are said to be length [divby]
           time; the dimensions of work are mass [times]
           (length)^{2 [divby] (time)^{2}; the dimensions of
           density are mass [divby] (length)^{3.
     Dimensional lumber, Dimension lumber, Dimension
     scantling, or Dimension stock (Carp.), lumber for
        building, etc., cut to the sizes usually in demand, or to
        special sizes as ordered.
     Dimension stone, stone delivered from the quarry rough, but
        brought to such sizes as are requisite for cutting to
        dimensions given.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

      n 1: the magnitude of something in a particular direction
           (especially length or width or height)
      2: a construct whereby objects or individuals can be
         distinguished; "self-confidence is not an endearing property"
         [syn: property, attribute, dimension]
      3: one of three Cartesian coordinates that determine a position
         in space
      4: magnitude or extent; "a building of vast proportions" [syn:
         proportion, dimension]
      v 1: indicate the dimensions on; "These techniques permit us to
           dimension the human heart"
      2: shape or form to required dimensions

From Moby Thesaurus II by Grady Ward, 1.0 :

  57 Moby Thesaurus words for "dimension":
     acreage, ambit, amplitude, area, bigness, body, breadth, bulk,
     caliber, circle, compass, confines, continuum, coverage, depth,
     diameter, dimensions, emptiness, empty space, expanse, expansion,
     extension, extent, field, galactic space, gauge, girth, greatness,
     height, infinite space, interstellar space, largeness, length,
     magnitude, mass, measure, measurement, nothingness, outer space,
     proportion, proportions, radius, range, reach, scale, scope, size,
     space, spatial extension, sphere, spread, superficial extension,
     surface, tract, void, volume, width

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