from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A surveying instrument used for the rapid determination of distances, elevations, and bearings.

from The Century Dictionary.

  • noun A surveying-instrument. See the quotation. Also called tacheometer.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Surveying) An instrument, esp. a transit or theodolite with stadia wires, for determining quickly the distances, bearings, and elevations of distant objects.
  • noun A speed indicator; a tachometer.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A surveying instrument for quickly finding distances.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a theodolite designed for rapid measurements


from Wiktionary, Creative Commons Attribution/Share-Alike License

tachy- + -meter



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