The Open Dictionary

declination

noun

UK/ˌdek.lɪˈneɪ.ʃᵊn/
US/ˌdek.ləˈneɪ.ʃᵊn/

Definitions of declination noun

  1. Countableastronomyspecialized

    The angular distance of a celestial object north or south of the celestial equator, or the angle between magnetic north and true north.

    • The star has a declination of positive 25 degrees.

    • Due to the Earth's magnetic field, the local declination is 5 degrees west.

    • Astronomers use declination and right ascension to pinpoint the location of celestial objects.