赤せき道どう傾けい斜しゃ角かくせきどうけいしゃかくMeanings1nounaxial tilt; obliquityastronomyTechnical term in astronomy for the angle between a planet's rotational axis and its orbital plane.地ち球きゅうの赤せき道どう傾けい斜しゃ角かくは約やく23.4度どです。Earth's axial tilt is about 23.4 degrees.