noun (plural symmetries)[mass noun]
- 1The quality of being made up of exactly similar parts facing each other or around an axis: this series has a line of symmetry through its centre a crystal structure with hexagonal symmetryMore example sentences
- In principle, it is possible that the hexagonal symmetry of the inner structure is a result of superposition of stacks of membranes oriented at different angles.
- When an egg is spun on its side, its axis of symmetry - a line stretching between the eggs' two tips - starts off by being horizontal.
- Certain corals, for example, build structures with hexagonal symmetry, but not in seafloor sediment.
- 1.1Correct or pleasing proportion of the parts of a thing: the overall symmetry makes the poem pleasant to the earMore example sentences
- Sometimes he identifies the beautiful with the typical in nature, but in De re aedificatoria he constructs a theory of beauty around mathematical symmetry and proportion of parts.
- The judges were more interested in size than overall balance, proportion and symmetry.
- This claim uncovers why we find certain formal properties such as symmetry and regularity aesthetically pleasing.
- 1.2Similarity or exact correspondence between different things: the political symmetry between the two debates [count noun]: history sometimes exhibits weird symmetries between eventsMore example sentences
- There was too great a link and matching symmetry between the different movements, each one anchored by a duet.
- The key point is its re-establishment of symmetry between social relations.
- There is a significant lack of symmetry between the two acts of the play, separated by a fifteen minute interval, which I found a distraction.
- 1.3 [count noun] Physics & Mathematics A law or operation where a physical property or process has an equivalence in two or more directions.More example sentences
- The usual group of spacetime symmetries in relativistic quantum field theory is called the Poincaré group.
- The mathematical beauty and experimental success of this idea have led physicists to extend it to higher energies and possible higher symmetries, as will be described below.
- String theory and/or supersymmetry, for example, involve higher dimensions of space that introduce new degrees of freedom and possible violations of space-time symmetries such as Lorentz symmetry.
symmetrize (also symmetrise)
- More example sentences
- He is somebody who saw himself in a way as purifying, simplifying, symmetrizing - bringing out elements of a less baroque physics.
- The huge machines plowed away the ridge and symmetrized all the fields as systematically as possible.
- To check whether the results were affected by this definition, we also symmetrized each matrix using the rule that there was a link between two people only if each member of the pair nominated the other.
mid 16th century (denoting proportion): from French symétrie or Latin symmetria, from Greek, from sun- 'with' + metron 'measure'.