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ALei857
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Almucantar - Encyclopaedia of Islam, THREE
[Article]
Kunitzsch, Paul
Leiden
Brill
(211 words)
Almucantar , also almacantar, is the Latin term used by Western astronomers to denote, on the plates of the planispheric astrolabe, the circles parallel to the horizon for a given geographical latitude. The term derives from Arabic al-muqanṭara , pl. al-muqanṭarāt , in the phrase al-dāʾira al-muqanṭara , that is, "the circle formed like the arch of a bridge (qanṭara) ." These circles could be drawn for each of the eighty-nine degrees of altitude above the horizon, with 90° being the zenith, or for increments of two, three, five, or
Encyclopaedia of Islam, THREE
9789004356665
Islam.
Kunitzsch, Paul
مطالعه متن کتاب [Article]
275578
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