The Collaborative International Dictionary
AEolotropy
AEolotropy \[AE]`o*lot"ro*py\, n. (Physics) Difference of quality or property in different directions.
Wiktionary
aeolotropy
n. (context physics English) The phenomenon whereby the physical properties (e.g, electric conductivity, refractive index) of a body depend on the direction in which they are measured.