1. An imaginary line connecting points on the Earth's surface where the magnetic declination is the same
   - isogonic line, isogonal line

Derived forms: isogones

Type of: line

• W. C. Fields
• W. C. Handy
• W. E. B. Du Bois
• W. H. Auden
• W. H. Hudson
• W. K. Kellogg
• W. Somerset Maugham
• W. V. Quine
• W. W. Jacobs
• W.C.
• WA
• Wabash
• Wabash River
• wabbit
• Wac
• wack
• wackily
• wackiness
• wacko
• wacky
• Waco
• wad
• wadding
• waddle
• waddler