Defn: A member of the Greek Church, who nevertheless acknowledges the supremacy of the Pope of Rome; one of the United Greeks. Also used adjectively.

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.

UNIAXIALLY
U`ni*ax"i*al*ly, adv.