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axis of symmetry

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.
Origin of axis of symmetry
1875-80 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for axis of symmetry
  • The rod coincides with the axis of symmetry of the conic frustum.
  • Since angles usually do not have an axis of symmetry, the heating pattern requires special consideration.
  • Its axis of symmetry is horizontal, and it is equipped with a hinged cap on one end, which served as a door for easy access.

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