'Biaxal' definitions:

Definition of 'biaxal'

(from WordNet)
adjective
Having two axes; "biaxial crystals" [syn: biaxial, biaxal, biaxate]

Definition of 'Biaxal'

From: GCIDE
  • Biaxal \Bi*ax"al\, Biaxial \Bi*ax"i*al\, a. [Pref. bi- + axal, axial.] (Opt.) Having two axes; as, biaxial polarization; biaxial crystals. --Brewster. -- {Bi*ax"i*al*ly}, adv. [1913 Webster]