- (esp of plants) having an unbranched main axis
- (of a crystal) having only one direction along which double refraction of light does not occur
WordReference Random House Unabridged Dictionary of American English © 2026
u•ni•ax•i•al
(yo̅o̅′nē ak′sē əl),USA pronunciation adj.
u′ni•ax′i•al•ly, adv.
- having one axis.
- Crystallography(of a crystal) having one direction in which double refraction does not occur.
- Botany(of a plant) having a primary stem that does not branch and that terminates in a flower.
- uni- + axial 1820–30
Collins Concise English Dictionary © HarperCollins Publishers::
uniaxial /ˌjuːnɪˈæksɪəl/ adj
'uniaxial' also found in these entries (note: many are not synonyms or translations):