zenith distance
noun Astronomy.
the angular distance from the zenith of a point on the celestial sphere to the sphere, measured along a great circle that is perpendicular to the horizon; the complement of the altitude.
Origin of zenith distance
First recorded in 1695–1705
Words nearby zenith distance
zeng guofan,
zenger,
zenia,
zenist,
zenith,
zenith distance,
zenith telescope,
zenith tube,
zenithal,
zenithal equidistant projection,
zenithal projection
Example sentences from the Web for zenith distance
The zenith-distance of an object is the angle which the ray of light from it makes with the vertical direction thus defined.