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.
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Origin of axis of symmetry
First recorded in 1875–80
Words nearby axis of symmetry
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020