uniaxial Meaning, Definition & Usage

U`ni*ax"i*al adjective

Etymology

Uni + axial.

Definitions

1. (Crystallog.) Having but one optic axis, or line of no double refraction. ✍ In uniaxial crystals, the optic axis has the direction of the vertical crystallographic axis. All tetragonal and hexagonal crystals are uniaxial.
2. (Biol.) Having only one axis; developing along a single line or plane; -- opposed to multiaxial.