declination : Idioms & Phrases


Angle of declination

  • the angle made by a descending line, or plane, with a horizontal plane.
Webster 1913

Circle of declination

  • a circle parallel to the celestial equator.
Webster 1913

Declination compass

  • (Physics), a compass arranged for finding the declination of the magnetic needle.
Webster 1913

Declination of the compassneedle

  • the horizontal angle which the magnetic needle makes with the true north-and-south line.
Webster 1913

magnetic declination

  • noun the angle (at a particular location) between magnetic north and true north
    magnetic variation; variation.
WordNet

Parallel of declination

  • (Astron.), one of the small circles of the sphere, parallel to the equator.
Webster 1913

Refraction of latitude, longitude, declination, right ascension

  • etc., the change in the apparent latitude, longitude, etc., of a heavenly body, due to the effect of atmospheric refraction.
Webster 1913