Definition of Symmetrical. Meaning of Symmetrical. Synonyms of Symmetrical
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Definition of Symmetrical
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Asymmetrical Asymmetric As`ym*met"ric, Asymmetrical As`ym*met"ri*cal, a.
[See Asymmetrous.]
1. Incommensurable. [Obs.]
2. Not symmetrical; wanting proportion; esp., not bilaterally
symmetrical. --Huxley.
Dissymmetrical Dissymmetrical Dis`sym*met"ric*al, a.
Not having symmetry; asymmetrical; unsymmetrical.
Monosymmetrical Monosymmetric Mon`o*sym*met"ric, Monosymmetrical
Mon`o*sym*met"ric*al, a. [Mono- + symmetric, -ical.]
(Crystallog.)
Same as Monoclinic.
Skew symmetrical determinant Skew Skew, a.
Turned or twisted to one side; situated obliquely; skewed; --
chiefly used in technical phrases.
Skew arch, an oblique arch. See under Oblique.
Skew back. (Civil Engin.)
(a) The course of masonry, the stone, or the iron plate,
having an inclined face, which forms the abutment for the
voussoirs of a segmental arch.
(b) A plate, cap, or shoe, having an inclined face to receive
the nut of a diagonal brace, rod, or the end of an
inclined strut, in a truss or frame.
Skew bridge. See under Bridge, n.
Skew curve (Geom.), a curve of double curvature, or a
twisted curve. See Plane curve, under Curve.
Skew gearing, or Skew bevel gearing (Mach.), toothed
gearing, generally resembling bevel gearing, for
connecting two shafts that are neither parallel nor
intersecting, and in which the teeth slant across the
faces of the gears.
Skew surface (Geom.), a ruled surface such that in general
two successive generating straight lines do not intersect;
a warped surface; as, the helicoid is a skew surface.
Skew symmetrical determinant (Alg.), a determinant in which
the elements in each column of the matrix are equal to the
elements of the corresponding row of the matrix with the
signs changed, as in (1), below. (1) 0 2 -3-2 0 53 -5 0
(2) 4 -1 71 8 -2-7 2 1
Note: This requires that the numbers in the diagonal from the
upper left to lower right corner be zeros. A like
determinant in which the numbers in the diagonal are
not zeros is a skew determinant, as in (2), above.
Unsymmetrical Unsymmetrical Un`sym*met"ric*al, a.
1. Wanting in symmetry, or due proportion pf parts.
2. (Biol.) Not symmetrical; being without symmetry, as the
parts of a flower when similar parts are of different size
and shape, or when the parts of successive circles differ
in number. See Symmetry.
3. (Chem.) Being without symmetry of chemical structure or
relation; as, an unsymmetrical carbon atom.
Unsymmetrical carbon atom (Chem.), one which is united at
once to four different atoms or radicals. This condition
usually occasions physical isomerism, with the attendant
action on polarized light.
Unsymmetrical carbon atom Unsymmetrical Un`sym*met"ric*al, a.
1. Wanting in symmetry, or due proportion pf parts.
2. (Biol.) Not symmetrical; being without symmetry, as the
parts of a flower when similar parts are of different size
and shape, or when the parts of successive circles differ
in number. See Symmetry.
3. (Chem.) Being without symmetry of chemical structure or
relation; as, an unsymmetrical carbon atom.
Unsymmetrical carbon atom (Chem.), one which is united at
once to four different atoms or radicals. This condition
usually occasions physical isomerism, with the attendant
action on polarized light.
Unsymmetrically Unsymmetrically Un`sym*met"ric*al*ly, adv.
Not symmetrically.
