Ot·to I 
(ŏtō, ôtō) also O·tho I (ōthō, ōtō) Known as "Otto the Great." 912-973.
(ŏtō, ôtō) also O·tho I (ōthō, ōtō) Known as "Otto the Great." 912-973. King of Germany (936-973) and first Holy Roman emperor (962-973). He brought Italy and Burgundy under German control.
- solanaceous
- solanin
- solanine
- solar
- solar battery
- solar cell
- solar collector
- solar constant
- solar day
- solar-electric propulsion
- solar filament
- solar flare
- solar furnace
- solar house
- solarimeter
- solarium
- solarization
- solarize
- solar month
- solar nebula
- solar panel
- solar plexus
- solar sail
- solar system
- solar time