noun
declination
Angular distance north or south of the celestial equator.
The chart lists each star's declination in degrees north or south.
Etymology
The Latin root concerns inclination away from a reference direction. Astronomy applies it to an object’s angular position north or south of the celestial equator.
More examples
- A star on the celestial equator has a declination of zero degrees.
- The astronomer compares the declinations of two nearby stars.
- The sun's declination changes as Earth moves around it.
Forms
declination · declinations