Ibn al‐Ādamī (flourished inBaghdad, c. 925), was a 10th-centuryIslamic astronomer who wrote an influential work ofzij based on Indian sources. The book, now lost, uses the Indian methods found in theSindhind. The 11th-century historianSa'id al-Andalusi informs us that the theory oftrepidation that became known to Europe and was ascribed toThabit ibn Qurra can be found instead in the Zij of Ibn al-Adami, who himself may have known of this theory from Thabit's grandon,Ibrahim ibn Sinan.^[1] Ibn al-Adami is also the source for the story of howIndian astronomy reached the court of Caliphal-Mansur in the early 770s in Baghdad.^[1]

Presumably, he is the son ofAl-Adami.

• Jamil Ragep, F.; Bolt, Marvin (2007)."Ādamī: Abū ʿAlī al-Ḥusayn ibn Muḥammad al-Ādamī". In Thomas Hockey; et al. (eds.).The Biographical Encyclopedia of Astronomers. New York: Springer. p. 12.ISBN 9780387310220.

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