'Disthene' definitions:

Definition of 'Disthene'

From: GCIDE
  • Disthene \Dis"thene\, n. [Gr. di- = di`s- twice + ? force: cf. F. disth[`e]ne.] (Min.) Cyanite or kyanite; -- so called in allusion to its unequal hardness in two different directions. See Cyanite. [1913 Webster]