Definition of theodolite in English:

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Pronunciation: /θɪˈɒdəlʌɪt/


A surveying instrument with a rotating telescope for measuring horizontal and vertical angles.
Example sentences
  • Then there were his surveying tools: theodolite, plane table, brass scales, parallel ruler.
  • Having begun my navigation career with star shots on sextants and theodolites and sun-compasses during the day, I appreciated the technical brilliance of the GPS (the US Global Positioning System).
  • Long says his company hires surveyors who use theodolites to locate the centerlines in both directions for the templates.



Pronunciation: /θɪɒdəˈlɪtɪk/
Example sentences
  • Alternately, this angle can be determined directly by theodolitic measurement from the vessel.
  • Just then an immigration van pulled up and they took off so fast that even a laser-powered theodolitic tracking system would have been unable to keep up with their swift escape.


Late 16th century (originally denoting an instrument for measuring horizontal angles): from modern Latin theodelitus, of unknown origin.

For editors and proofreaders

Line breaks: the|odo¦lite

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