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oxtant

/ˈɒk.stənt/

翻译: 八分圆;一种角度测量单位,等于四分之一圆的二分之一(即45度),用于导航和天文学。也指航海或天文观测中使用的八分仪。

1 个条目

noun

/ˈɒk.stənt/C2formaltechnical
  • zh八分圆;一种角度测量单位,等于四分之一圆的二分之一(即45度),用于导航和天文学。也指航海或天文观测中使用的八分仪。

A unit of angular distance equal to half a quadrant, used in navigation and astronomy.

  1. Unit of angular measurementC2formal

    A unit of angular distance equal to one eighth of a full circle, or half a quadrant.

    zh八分仪

    • The angle was measured as one oxtant.
    • In navigation, an oxtant is rarely used today.
    • The instrument was calibrated to read in oxtants.