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

  Symmetrical \Sym*met"ric*al\, a. [Cf. F. sym['e]trique. See
     1. Involving or exhibiting symmetry; proportional in parts;
        having its parts in due proportion as to dimensions; as, a
        symmetrical body or building.
        [1913 Webster]
     2. (Biol.) Having the organs or parts of one side
        corresponding with those of the other; having the parts in
        two or more series of organs the same in number;
        exhibiting a symmetry. See Symmetry, 2.
        [1913 Webster]
     3. (Bot.)
        (a) Having an equal number of parts in the successive
            circles of floral organs; -- said of flowers.
        (b) Having a likeness in the form and size of floral
            organs of the same kind; regular.
            [1913 Webster]
     4. (Math.) Having a common measure; commensurable.
        (b) Having corresponding parts or relations.
            [1913 Webster]
     Note: A curve or a plane figure is symmetrical with respect
           to a given line, and a line, surface, or solid with
           respect to a plane, when for each point on one side of
           the line or plane there is a corresponding point on the
           other side, so situated that the line joining the two
           corresponding points is perpendicular to the line or
           plane and is bisected by it. Two solids are symmetrical
           when they are so situated with respect to an
           intervening plane that the several points of their
           surfaces thus correspond to each other in position and
           distance. In analysis, an expression is symmetrical
           with respect to several letters when any two of them
           may change places without affecting the expression; as,
           the expression a^{2b + ab^{2} + a^{2}c + ac^{2} +
           b^{2c + bc^{2}, is symmetrical with respect to the
           letters a, b, c.
           [1913 Webster] -- Sym*met"ric*al*ly, adv. --
           Sym*met"ric*al*ness, n.
           [1913 Webster]

From WordNet (r) 3.0 (2006) :

      adj 1: having similarity in size, shape, and relative position
             of corresponding parts [syn: symmetrical, symmetric]
             [ant: asymmetric, asymmetrical]
      2: exhibiting equivalence or correspondence among constituents
         of an entity or between different entities [syn:
         harmonious, proportionate, symmetrical]

From Moby Thesaurus II by Grady Ward, 1.0 :

  56 Moby Thesaurus words for "symmetrical":
     apoise, arranged, balanced, businesslike, coequal, commensurable,
     commensurate, concinnate, concinnous, congruent, congruous,
     coordinate, equal, equibalanced, equilateral, equiponderant,
     equiponderous, euphonic, euphonical, euphonious, eurythmic, even,
     finished, flowing, fluent, formal, habitual, harmonious, in hand,
     in proportion, measured, methodical, normal, ordered, orderly,
     poised, proportional, proportionate, proportioned, regular,
     routine, smooth, smooth-sounding, steady, sweet, symmetric,
     systematic, tripping, uniform, usual, well-balanced, well-ordered,
     well-proportioned, well-regulated, well-set, well-set-up

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