obliquity

noun, plural o·bliq·ui·ties.

1. the state of being oblique.
2. divergence from moral conduct, rectitude, etc.; immorality, dishonesty, or the like.
3. an instance of such divergence.
4. mental perversity.
5. an instance of mental perversity.
6. an inclination or a degree of inclination.
7. a confusing or obscure statement or passage of writing, especially one deliberately made obscure.
8. Also called obliquity of the ecliptic. Astronomy. the angle between the plane of the earth’s orbit and that of the earth’s equator, equal to 23°27′; the inclination of the earth’s equator.

noun plural -ties

1. the state or condition of being oblique
2. a deviation from the perpendicular or horizontal
3. a moral or mental deviation
4. Also called: obliquity of the ecliptic astronomy the angle between the plane of the earth’s orbit and that of the celestial equator, equal to approximately 23° 27′ at present

n.early 15c., from Middle French obliquité (14c.), from Latin obliquitatem (nominative obliquitas) “slanting direction, obliquity,” noun of quality from obliquus (see oblique). n.

1. asynclitism