isogonic : Idioms & Phrases


isogonic line

  • noun an imaginary line connecting points on the Earth's surface where the magnetic declination is the same
    isogonal line; isogone; isogonic line.
WordNet

Isogonic lines

  • noun an imaginary line connecting points on the Earth's surface where the magnetic declination is the same
    isogonal line; isogone; isogonic line.
WordNet
  • (Magnetism), lines traced on the surface of the globe, or upon a chart, connecting places at which the deviation of the magnetic needle from the meridian or true north is the same.
Webster 1913