Obliquity
ANGLE BETWEEN THE ROTATIONAL AXIS AND ORBITAL AXIS OF A BODY
Obliquity of the ecliptic; Equatorial inclination to orbit; Tilted axis; Earth's inclination; Axial inclination; Axial Tilts of Planets; Earth axis; Axial tilts; Axial tilting; Obliquitous; Obliquities; Axial inclinations; Axial incline; Axial inclines; Earth's axis; Earths axis; Axial Tilt; Obliquity; Axis tilt; Earth's Axis; Earth's axial tilt; Angled rotation of the Earth; Mars's spin axis; Earth's obliquity; Earth's rotation axis; Mars's rotation axis; Earth's tilt
·noun Deviation from ordinary rules; irregularity; deviation from moral rectitude.
II. Obliquity ·noun The condition of being oblique; deviation from a right line; deviation from parallelism or perpendicularity; the amount of such deviation; divergence; as, the obliquity of the ecliptic to the equator.