| equinoxes |
| 二分 | [にぶん, nibun] (n, vs, adj-no) (1) halving; bisection; (2) the two equinoxes (vernal and autumnal); (P) #19,004 [Add to Longdo] |
| 歳差 | [さいさ, saisa] (n) (phenomenon of) precession of the equinoxes [Add to Longdo] |
| 歳差運動 | [さいさうんどう, saisaundou] (n) (1) (motion of) precession of the equinoxes; (2) precession [Add to Longdo] |