Main Entry: ax·i·al

Pronunciation: \ˈak-sē-əl\

Function: adjective

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) <axial hydrogens>—compare equatorial