octant /'ɒktәnt/ 📖 中文释义 n. 八分圆, 八分仪, (天体与另一天体)成45度的视角位置[医] 八分体 🔗 释义中的汉语词 八分仪 📘 English Definition(英文释义) n. a measuring instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration ← Octans O 字母词表 octant rule →