vertical circle — An Etymological Dictionary of Astronomy and Astrophysics

vertical circle

پرهون ِ هجین، دایره‌ی ِ ~

parhun-e hajin, dâyere-ye ~

Fr.: cercle vertical

The greater circle on the celestial sphere which passes through → zenith, → nadir,
and the star and whose plane is perpendicular to the plane of horizon. Same as → azimuth circle.

See also: → vertical; → circle.

An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک