Almagest
/ˈælmədʒest/noun
1the Almagest
- an Arabic version of Ptolemy's astronomical treatise《天文学大成》（托勒密编写的天文论文的阿拉伯语版本）。
1.1
- （亦作almagest）(in the Middle Ages) any celebrated textbook on astrology and alchemy（中世纪）占星术和炼金术著作。
词源
late Middle English: from Old French almageste, based on Arabic， from al 'the' + Greek megistē 'greatest (composition)'.