Definition of astrolabe in English:

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astrolabe

Pronunciation: /ˈastrəleɪb/

noun

chiefly historical
An instrument used to make astronomical measurements, typically of the altitudes of celestial bodies, and in navigation for calculating latitude, before the development of the sextant.
Example sentences
  • Lavanha also studied instruments used in navigation, constructing astrolabes, quadrants and compasses.
  • Arab craftsmen produced complex astronomical instruments, astrolabes, which helped them plot the positions of the stars and tell the time of day.
  • The construction of astronomical instruments such as the astrolabe was also a speciality of the Arabs.

Origin

Late Middle English: from Old French astrelabe, from medieval Latin astrolabium, from Greek astrolabon, neuter of astrolabos 'star-taking'.

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