axial \AK-see-uhl\, adjective:
1. Situated in or on the line about which a rotating body turns.
2. Of, pertaining to, characterized by, or forming an axis: an axial relationship.
"This planet has no axial tilt," he said as they passed under the portcullis. "And its orbit is circular. So no seasons."
-- Catherine Asaro, Skyfall
"Axial rotation" is not simply "rotation upon an axis" as nonchalantly defined in dictionaries, but is circular motion in the true physical sense. . .
-- Nikola Tesla, Very Truly Yours
Axial originates from the Latin axis meaning 'pivot.' The Middle English suffix -al, turns what was once a noun into an adjective by applying the meaning 'of' or 'pertaining to' an 'axis.'
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