首页英语词典octantoctant英英释意

octant

英 ['ɒkt(ə)nt] 美['ɑktənt]
  • n. [航][水运] 八分仪;[数] 八分圆;成45°视角的位置

英英释意


1. a measuring instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration