The condition of being polysymmetrical.
The property of a mineral of exhibiting characteristics of two different symmetries.
Late 19th century; earliest use found in Alfred Bennett (1833–1902), botanist and publisher. From poly- + symmetry, after German Polysymmetrie (J. SachsLehrb. der Bot (ed. 3, 1873) III. iii. 90, in sense 1; P. GrothEinleitung in die chem. Krystallogr 4, in sense 2).