Category:Uniaxal

U`ni*ax"al, a. Etym: [uni + axal.]

Defn: uniaxial. -- u`ni*ax"al*ly, adv.

Uniaxial U`ni*ax"i*al, a. Etym: [uni + axial.]

1. (crystallog.)

Defn: having but one optic axis, or line of no double refraction.

Note: in uniaxial crystals, the optic axis has the direction of the Vertical crystallographic axis. All tetragonal and hexagonal crystals Are uniaxial.

2. (biol.)

Defn: having only one axis; developing along a single line or plane; -- opposed to multiaxial.