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

• carrick bitt
• carrier
• carrier bag
• carrier electrophoresis
• carrier pigeon
• carrier wave
• carriole
• carrion
• carrion crow
• carrion flower
• carrion fungus
• carrizo
• Carroll
• carron oil
• carronade
• carrot
• carrot family
• Chalcostigma
• Chaldaea
• Chaldaean
• Chaldea
• Chaldean
• Chaldee
• chaldron
• chalet