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

• Neo-Christianity
• neoclassic
• neoclassical
• neoclassicism
• neoclassicisms
• neoclassicist
• neoclassicists
• neocolonialism
• neocolonialisms
• neocolonialist
• neocolonialists
• Neocomian
• neocon
• neocons
• neoconservatism
• neoconservative
• neocortex
• neocortexes
• neocortical
• neocortices
• Neo-Darwinian
• Neo-Darwinism
• Neo-Darwinist
• neodymium
• neodymiums