Almagest Definition
ălmə-jĕst
noun
A comprehensive treatise on astronomy, geography, and mathematics compiled by Ptolemy about ad 150.
American Heritage
A vast work on astronomy and mathematics compiled by Ptolemy c. a.d. 140
Webster's New World
Any of several medieval treatises concerned with astronomy or alchemy.
American Heritage
Any of several medieval works like this, variously on astrology, alchemy, etc.
Webster's New World
A comprehensive treaty on astronomy, geography, and mathematics compiled by Ptolemy circa 150 CE.
Wiktionary
Other Word Forms of Almagest
Noun
Singular:
Almagest
Plural:
almagestsOrigin of Almagest
-
Middle English almageste from Old French from Arabic al-majisti al- the Greek megistē (suntaxis) greatest (composition) feminine of megistos greatest superlative of megas great meg- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
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Arabic المجسطي (al-majisṭī, “almagest”), which is an addition of the Arabic definite article to a transliteration of Ancient Greek μεγίστη (megistē, “greatest”)
From Wiktionary
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