/ Dictionary / Index B biaxial: Meaning and Definition of Find definitions for: bi•ax•i•al Pronunciation: (bī-ak'sē-ul), [key] — adj. having two axes. having two optical axes along which double refraction does not occur. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: biaxial (Thesaurus) biauriculate bib Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language