Definition of pseudocubic in English:

pseudocubic

adjective

  • Apparently cubic in morphology or crystal structure but not actually so; specifically designating a composite crystal in which the crystal structure simulates the symmetry of a single crystal of the cubic system but actually has lower symmetry.

Origin

Late 19th century; earliest use found in Nevil Story-Maskelyne (1823–1911), mineralogist. After French pseudocubique.