An object is reflexible if it is superposable with its image in a plane mirror. Also called Amphichiral.
See also Amphichiral, Chiral, Enantiomer, Handedness, Mirror Image, Reflection
References
Ball, W. W. R. and Coxeter, H. S. M. ``Polyhedra.'' Ch. 5 in Mathematical Recreations and Essays, 13th ed. New York:
Dover, p. 130, 1987.