Theodolite meaning

thē-ŏdl-īt
An optical instrument consisting of a small mounted telescope rotatable in horizontal and vertical planes, used to measure angles in surveying, meteorology, and navigation.
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An optical instrument used to measure angles in surveying, meteorology, and navigation. In meteorology, it is used to track the motion of a weather balloon by measuring its elevation and azimuth angle. The earliest theodolite consisted of a small mounted telescope that rotated horizontally and vertically; modern versions are sophisticated computerized devices, capable of tracking weather balloons, airplanes, and other moving objects, at distances of up to 20,000 m (65,600 ft).
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A surveying instrument used to measure vertical and horizontal angles.
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A surveying instrument, consisting of a small mounted telescope, used to measure horizontal and vertical angles.
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Origin of theodolite

  • Probably coined by Leonard Digges (1520–1559), English mathematician and surveyor, as the name of a device for measuring horizontal angles perhaps from Greek theā a viewing a second element of unknown origin

    From American Heritage Dictionary of the English Language, 5th Edition

  • From New Latin theodolitus, of unknown origin.

    From Wiktionary