What does Daaʾiraa al-iartfaaʿ mean?

Islam > Glossary > Daaʾiraa al-iartfaaʿ

Discover the meaning of the term Daaʾiraa al-iartfaaʿ (دَائِرَة الِارْتفَاع) in Islamic vocabulary.

Definition Daaʾiraa al-iartfaaʿ

Daaʾiraa al-iartfaaʿ according to Dustur al-'Ulama (Al-Ahmadnagari)

It is a great circle that bisects the world, intersects the circle of the horizon at right angles, and passes through the center of the Sun wherever it may be. In Ad-Durar Al-Manthurah: it is a great circle that passes through the two poles of the horizon and through the elevated part, and the portion of it situated between the elevated part and the horizon is the altitude of that part.

Daaʾiraa al-iartfaaʿ according to Maqalid al-'Ulum (As-Suyuti)

That which passes through the two poles of the horizon.

Related terms: Daaʾiraa al-iartfaaʿ