Almagest

//ˈælmədʒɛst// name, noun

name, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Any book resembling the Almagest.
Proper Noun
  1. 1
    A comprehensive treatise on astronomy, alchemy, geography and/or mathematics (originally compiled by Ptolemy circa 150 C.E.).

Etymology

From Arabic اَلْمَجِسْطِيّ (al-majisṭiyy, “almagest”), with اَل (al-) being the Arabic definite article, from Middle Persian 𐭬𐭢𐭮𐭲𐭩𐭪 (mgstyk /⁠magestīg⁠/), from Ancient Greek μεγίστη (megístē, “greatest”).

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.