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centrum aequans
مركز معدّل المسيرmarkaz muʿaddil al-masīr
genit. compound rkz ʿdl syr – center of equal velocity (i.e. equant of Ptolemaic astronomy) (astr.) show/hide quotes-
Alhaz. Conf. 309, 6: et ille punctus dicitur centrum revolvens et centrum equans
Lang. 56, 2: وتسمّى النقطة المركز المدير وتسمّى مركز معدّل المسير
- Alhaz. Conf.