symmetry : Idioms & Phrases

• (Geom.), any line in a plane figure which divides the figure into two such parts that one part, when folded over along the axis, shall coincide with the other part.

Webster 1913

• noun the property of being symmetrical about a vertical plane
  bilaterality; bilateralism.
  

WordNet

• noun (physics) parity is conserved in a universe in which the laws of physics are the same in a right-handed system of coordinates as in a left-handed system
  parity; mirror symmetry; conservation of parity.
  

WordNet

Pseu`do-sym"me*try noun

Etymology

Pseudo- + symmetry.

Definitions

1. (Crystallog.) A kind of symmetry characteristic of certain crystals which from twinning, or other causes, come to resemble forms of a system other than that to which they belong, as the apparently hexagonal prisms of aragonite.

Webster 1913

• noun the property of symmetry about an axis
  
  • the starfish illustrates radial symmetry

WordNet

• . (Biol.) See under Symmetry.

Webster 1913

• that disposition of parts in which only the opposite sides are equal to each other.

Webster 1913

• . (Biol.) See under Symmetry.

Webster 1913

• noun (physics) parity is conserved in a universe in which the laws of physics are the same in a right-handed system of coordinates as in a left-handed system
  parity; mirror symmetry; conservation of parity.
  

WordNet

• . (Biol.) See the Note under Symmetry.

Webster 1913