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

• galvaniser
• galvanising
• galvanism
• galvanization
• galvanize
• galvanized iron
• galvanizer
• galvanizing
• galvanometer
• galvanometric
• Galveston
• Galveston Bay
• Galveston Island
• Galway
• Galway Bay
• Galwegian
• galère
• gam
• Gamal Abdel Nasser
• gamba
• Gambelia
• Gambia
• Gambian
• Gambian monetary unit
• gambier