Princeton's WordNet
inclination, angle of inclinationnoun
(geometry) the angle formed by the x-axis and a given line (measured counterclockwise from the positive half of the x-axis)
Synonyms:
lean, magnetic inclination, list, magnetic dip, angle of dip, dip, inclination of an orbit, disposition, tendency, leaning, inclining, angle of inclination, inclination, tilt
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