almagest

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English[edit]

Etymology[edit]

Arabic المجسطي (al-majisṭī, almagest), which is an addition of the Arabic definite article to a transliteration of Ancient Greek μεγίστη (megístē, greatest)

Noun[edit]

almagest (plural almagests)

  1. A comprehensive treaty on astronomy, geography, and mathematics compiled by Ptolemy circa 150 CE.
  2. Any of several medieval treatises, especially those concerned with astronomy or alchemy.

References[edit]

  • The American Heritage Dictionary, 2009.