解释
- n. [航][水运] 八分仪;[数] 八分圆;成45°视角的位置
※ 提供单词"octant"的中文意思、发音示范及音标对照,中英文词源、例句和用法等。
英文词源
- octant (n.)
- instrument for making angular measurements in navigation or astronomy, 1731, from Late Latin octans "the eighth part," from octo "eight" (see octa-) on analogy of quadrant. In geometry, octant meant "the eighth part of a circle."