almagest
Definition
Noun
- Ancient astronomical and mathematical work: "almagest" refers to the comprehensive treatise on astronomy and mathematics written by the Greek scholar Claudius Ptolemy in the 2nd century CE. It served as the authoritative source on celestial motions and star catalogs for over 1,400 years.
- By extension: any similar medieval work on astrology or alchemy, often referencing Ptolemy's original text.
Usage Examples
- (The original astronomical treatise.)
- (The work as a historical document.)
- (A generic use for similar texts.)
Advanced Usage
- "Ptolemy's Almagest": the specific title of the treatise, often capitalized.
- Ptolemy's Almagest remained the standard reference until Copernicus. (The original work.)
- "The Almagest": used as a proper noun to denote the treatise itself.
- The Almagest includes a catalog of 1,022 stars. (The specific astronomical catalog.)
Variants and Related Words
- Almagestal (adj): relating to or characteristic of the Almagest.
- The almagestal calculations were based on ancient observations. (Pertaining to the treatise.)
Synonyms
- Treatise: a written work dealing formally and systematically with a subject.
- Compendium: a collection of concise but detailed information on a particular subject.
- Star catalog: a list of stars, often part of such a work.
Related Idioms
- "As old as the Almagest": a phrase meaning something is ancient or long-established.
- His methods are as old as the Almagest, but they still work. (Very old and traditional.)