An object is amphichiral (also called reflexible) if it is superposable with its mirror image (i.e., its image in a plane mirror).
Amphichiral
See also
Amphichiral Knot, Chiral, Dissymmetric, Handedness, Mirror ImageExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Amphichiral." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Amphichiral.html