方ほう位い角かく

noun

azimuth

Technical term used in astronomy, navigation, surveying, and related fields. Refers to the horizontal angle measured clockwise from a reference direction (usually north).

• 天てん体たいの方ほう位い角かくを測そく定ていする。

  Measure the azimuth of a celestial body.

• 方ほう位い角かくは北きたを基き準じゅんに時計とけい回まわりで表あらわす。

  Azimuth is expressed clockwise from north.