Origin of altazimuth
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for altazimuth
We saw that the altazimuth employed at Upsala had no lenses.
The altazimuth can thus determine the altitude and azimuth of objects, hence the name.
On his return home he settled at Westbury, where he erected an altazimuth by Troughton, with a two-and-a-half-foot circle.
This pillar is the support of Airy's altazimuth, and very nearly marks the place where Flamsteed set up his original sextant.
For many years the instruments in regular use were two only, the transit circle and the altazimuth.
- an instrument for measuring the altitude and azimuth of a celestial body by the horizontal and vertical rotation of a telescope
C19: from alt (itude) + azimuth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012