You searched for: “altazimuths
altazimuth (s) (noun), altazimuths (pl)
An instrument used in navigation which measures the altitude and azimuth (horizontal angular distance from a referenced direction) of celestial bodies: "An altazimuth shows the extent or amount or quantity or degree of something with both horizontal and vertical graduated circles or for the simultaneous observation of horizontal and vertical directions or angles."
This entry is located in the following unit: alto-, alt-, alti- (page 1)