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axis of symmetry

noun

Mathematics. a straight line for which every point on a given curve has corresponding to it another point such that the line connecting the two points is bisected by the given line.
Crystallography. rotation axis.

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Nearby words

  1. axis deviation,
  2. axis of abscissas,
  3. axis of evil,
  4. axis of ordinates,
  5. axis of revolution,
  6. axis powers,
  7. axis traction,
  8. axis-traction forceps,
  9. axisymmetric,
  10. axle

Origin of axis of symmetry

First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019