The angle made by two lines or planes; as, the inclination of the plane of the earth's equator to the plane of the ecliptic is about 23° 28´; the inclination of two rays of light.

Of an orbit, the angle of the plane of the orbit with respect to the ecliptic plane.

the tilt of the long axis of a tooth in the buccolingual or faciolingual direction; see angulation

a tilting of something; act or the action of bending

The act of inclining, or state of being inclined; a leaning; as, an inclination of the head.

A direction or tendency from the true vertical or horizontal direction; as, the inclination of a column, or of a road bed.

A tendency towards another body or point.

A leaning or tendency of the mind, feelings, preferences, or will; propensity; a disposition more favorable to one thing than to another; favor; desire; love.