Almagest
/ˈalmədʒɛst
/noun (the Almagest)
1An influential treatise on astronomy written by the Greek astronomer and geographer Ptolemy in the second century ad.Finally, the translation of Ptolemy's Almagest furnished important astronomical material....
- But once they had translated Ptolemy's Almagest, they developed astronomy so quickly that their mark is found at every step.
- Menelaus's work formed the basis for Ptolemy's numerical solutions of spherical astronomy problems in the Almagest.
1.1(In the Middle Ages) any celebrated textbook on astrology and alchemy.
Origin
Late Middle English: from Old French almageste, based on Arabic, from al 'the' + Greek megistē 'greatest (composition)'.
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