altazimuth

Definitions

  • WordNet 3.6
    • n altazimuth an instrument that measures the altitude and azimuth of celestial bodies; used in navigation
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Webster's Revised Unabridged Dictionary
    • n Altazimuth (Astron) An instrument for taking azimuths and altitudes simultaneously.
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Century Dictionary and Cyclopedia
    • n altazimuth An astronomical instrument for determining the altitudes and the azimuths of heavenly bodies. The telescope of the altazimuth is capable of being moved horizontally to any point of the compass, as well as vertically, and there are horizontal and vertical circles. A theodolite is a portable altazimuth.
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Chambers's Twentieth Century Dictionary
    • n Altazimuth alt-az′i-muth an instrument devised by Sir G. B. Airy for determining the apparent places of the heavenly bodies on the celestial sphere.
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Etymology

Webster's Revised Unabridged Dictionary
All,tude + azimuth,
Chambers's Twentieth Century Dictionary
A contr. for 'altitude and azimuth instrument.'

Usage

In literature:

We saw that the altazimuth employed at Upsala had no lenses.
"Scientific American Supplement, No. 611, September 17, 1887" by Various
The altazimuth can thus determine the altitude and azimuth of objects, hence the name.
"The New Gresham Encyclopedia. Vol. 1 Part 1" by Various
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In science:

The antennas are mounted on a rigid tracking platform supported by an altazimuth mount that is fully steerable to elevations > 42◦ .
The Cosmic Background Imager
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