biaxial

[ bahy-ak-see-uh l ]
/ baɪˈæk si əl /

adjective

having two axes.
Crystallography. having two optical axes along which double refraction does not occur.

Origin of biaxial

First recorded in 1850–55; bi-1 + axial

OTHER WORDS FROM biaxial

bi·ax·i·al·i·ty, noun bi·ax·i·al·ly, adverb

British Dictionary definitions for biaxial

biaxial
/ (baɪˈæksɪəl) /

adjective

(esp of a crystal) having two axes