[ax.i.al] adj (ca. 1847) 1: of, relating to, or having the characteristics of an axis
2. a: situated around, in the direction of, on, or along an axis b: extending in a direction essentially perpendicular to the plane of a cyclic structure (as of cyclohexane) "~ hydrogens"--compare equatorial -- ax.i.al.i.ty n -- ax.i.al.ly adv