geomagnetism /jē-ō-magˈnə-ti-zm/

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

geomagnetˈic adjective

• ultramontanisms
• ultramontanist
• ultramontanists
• ultramundane
• ultra-rapid
• ultrared
• ultras
• ultrasensual
• ultrashort
• ultrasonic
• ultrasonically
• ultrasonic communication
• ultrasonic communications
• ultrasonics
• ultrasonography
• ultrasound
• ultrasounds
• ultrastructure
• ultrastructures
• ultra-tropical
• ultraviolet
• ultraviolet microscope
• ultraviolet spectroscopies
• ultraviolet spectroscopy
• ultraviolet star