The Collaborative International Dictionary
Anisotrope
Anisotrope \An"i*so*trope`\, Anisotropic \An`i*so*trop"ic\, a. [Gr. ? unequal + ? a turning, ? to turn.] (Physics) Not isotropic; having different properties in different directions; thus, crystals of the isometric system are optically isotropic, but all other crystals are anisotropic.
Wiktionary
anisotrope
a. (context dated English) anisotropic