Astrolabe

ahd-5
  • noun. A medieval instrument, now replaced by the sextant, that was once used to determine the altitude of the sun or other celestial bodies.
    • The Century Dictionary and Cyclopedia
  • noun. An obsolete astronomical instrument of different forms, used for taking the altitude of the sun or stars, and for the solution of other problems in astronomy.
  • noun. A stereographic projection of the sphere, either upon the plane of the equator, the eye being supposed to be in the pole of the world, or upon the plane of the meridian, the eye being in the point of intersection of the equinoctial and the horizon.
    • the GNU version of the Collaborative International Dictionary of English
  • noun. An instrument for observing or showing the positions of the stars. It is now disused.
  • noun. A stereographic projection of the sphere on the plane of a great circle, as the equator, or a meridian; a planisphere.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. An astronomical and navigational instrument for gauging the altitude of the Sun and stars.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. an early form of sextant
    • Word Usage
    "The other instrument, called the astrolabe, was a brass circle marked off into 360 degrees."
    cross-reference
    compass  sextant  
    Hypernym
    Words that are more generic or abstract
    sextant  
    Same Context
    Words that are found in similar contexts
    Elders  arsenate  axehead  baryton  centime  
    Synonym
    Words with the same meaning
    planisphere  
    Disclaimer: This site has been created by RJ Softwares and is part of the Lexulous & Wordscraper games.