geomagnetism /jē-ō-magˈnə-ti-zm/

1. The magnetism of the earth, earth's magnetic field
2. The study of this

geomagnetˈic adjective

geomagˈnetist noun

• capsulises
• capsulising
• capsulize
• capsulized
• capsulizes
• capsulizing
• Capt.
• captain
• captaincies
• Captain Cooker
• captaincy
• captained
• captain-general
• captaining
• captain of industry
• captainries
• captainry
• captains
• captain's biscuit
• captain's chair
• captain's chairs
• captainship
• captainships
• captan
• captans