ETYM Latin inclinatio: cf. French inclination.
1. An attitude of mind especially one that favors one alternative over others; SYN. disposition, tendency.
2. That toward which one is inclined to feel a liking.
3. The act of inclining; bending forward; SYN. inclining.
4. (Geometry) The angle formed by the x-axis and a given line (measured counterclockwise from the positive half of the x-axis); SYN. angle of inclination.
5. (Astronomy) The angle between the plane of the orbit and the plane of the ecliptic stated in degrees; SYN. inclination of an orbit.
Angle between horizon and magnetic needle moving vertically; magnetic dip.
Angle between the ecliptic and the plane of the orbit of a planet, asteroid, or comet. In the case of satellites orbiting a planet, it is the angle between the plane of orbit of the satellite and the equator of the planet.