Symmetry Noun Property Balanced Parts Symmetria Symmetros Syn

sym·me·try
\\ˈsi-mə-trē\\ noun
(plural -tries)1. balanced proportions; also : beauty of form arising from balanced proportions
2. the property of being symmetrical; especially : correspondence in size, shape, and relative position of parts on opposite sides of a dividing line or median plane or about a center or axis — compare ,
3. a rigid motion of a geometric figure that determines a one-to-one mapping onto itself
4. the property of remaining invariant under certain changes (as of orientation in space, of the sign of the electric charge, of parity, or of the direction of time flow) — used of physical phenomena and of equations describing them

symmetry
  1563, "relation of parts, proportion," from L. symmetria, from Gk. symmetria "agreement in dimensions, due proportion, arrangement," from symmetros "having a common measure, even, proportionate," from syn- "together" + metron "meter" (see meter (2)). Meaning "harmonic arrangement of parts" first recorded 1599. Symmetrical is recorded from 1751. Symmetrophobia is from 1809, supposed to be evident in Egyptian temples and Japanese art.

symmetry
sym·metry / 5simEtri / noun [U]
1. the exact match in size and shape between two halves, parts or sides of sth
   对称:
   the perfect symmetry of the garden design
   花园图案的完全对称
2. the quality of being very similar or equal
   相似；相仿；相等:
   the increasing symmetry between men's and women's jobs
   男女职业的日渐趋同

sym·me·try
I. \ˈsimə.trē, -ri\ noun
(-es)
Etymology: Latin symmetria, from Greek, commensurability, proportion, symmetry, from symmetros commensurate, suitable, symmetrical (from syn- + metron measure) + -ia -y — more at
1.
 a. obsolete : mutual relationship of parts (as in size, arrangement, or measurements) :
 b. : due or balanced proportions : beauty of form or arrangement arising from balanced proportions
  < with order, symmetry, and taste unblest — Robert Burns >
2. : correspondence in size, shape, and relative position of parts that are on opposite sides of a dividing line or median plane or that are distributed about a center or axis : an arrangement or external form (as in a body, a design, or a grouping) marked by bilateral conformity or geometrical regularity — see ,
3. : the property of being symmetrical
4. : the property of a crystal of having two or more directions that are alike in physical and crystallographic respects because of identity of atomic structure in the directions concerned or mirror-image relations along such directions
II. noun
1. : a rigid motion of a geometric figure that determines a one-to-one mapping onto itself
2. : interchangeability of particles and equivalence of interactions existing between forces of nature at very high energies
3. : the property of remaining invariant under certain changes (as of orientation in space, of the sign of the electric charge, of parity, or of the direction of time flow) — used of physical phenomena and of equations describing them

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