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symmetry

symmetry

28 4.1
A balance of parts that match on opposite sides, like a butterfly's wings
  • noun
  • /ˈsɪmɪtri/
translation icon : simetría
  • The butterfly's wings exhibit remarkable symmetry, with each side mirroring the other.
  • bilateral symmetry
  • axis of symmetry
  • plane of symmetry

So graph it and look for the symmetry, right?

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Examples

  • The figure has two lines of symmetry, both parallel to the sides, but not on diagonals.

    Academic text (2015)
  • Personally, I like the symmetry of it.

  • So we used symmetry on that piece there.

  • We have perfect symmetry and a brain as powerful as the most advanced computer.

  • At about the same time, he developed a great love for the symmetry of the human form.

  • Is it balance or speed or symmetry or some other motor goal?

  • Time could not mar the perfect symmetry of those walls.

  • To Meredith, there was a marvelous symmetry to the two in combination.

    Fiction book (1996)
  • "There's a certain symmetry to your involvement that appeals to me," he said.

    Fiction book (1995)
  • Underlying these forms is a human preference, a visceral yearning for symmetry and balance.

    Academic text (1996)

Synonyms

symmetricalness
vssymmetry
6.7

Two parts that look the same on each side of a middle line

is a different noun form naming the same quality

Antonyms

19 6.5

When two sides are not the same in shape, size, or position

Compounds

mirror symmetry
  • Specialized
1 7.9

A property of a system where left and right are swapped and it stays the same

radial symmetry
  • Specialized
1 6.0

Parts arranged around a central point so many cuts make identical sections

bilateral symmetry
  • Specialized
6.6

A shape or body with matching left and right sides

9.9

Physical laws do not change when left and right are swapped

How Symmetric

symmetry
28 4.1
asymmetry
19 6.5
irregularity
13 5.1

Surface Forms

symmetry singular
symmetries plural

Morphology

symmetry = symmetric (semi-transparent) = sym + metr + y

The noun relates to the adjective 'symmetric', but the combining form 'metr-' (measure) and the classical prefix 'sym-' are not fully transparent to average learners.

Etymology

Symmetry comes from Greek parts syn- 'together' and metron 'measure', and you can see the same root in meter, a measuring word. Think of folding paper or a butterfly: the two sides match because they are measured the same. So, symmetry is about parts that are equal or match on each side.