The name of Uranus references the ancient Greek deity of the sky Uranus (), the father of Cronus (Saturn) and grandfather of Zeus (Jupiter), which in Latin became (). It is the only planet whose English name is derived directly from a figure of Greek mythology. The adjectival form of Uranus is "Uranian". The pronunciation of the name "Uranus" preferred among astronomers is , with stress on the first syllable as in Latin , in contrast to , with stress on the second syllable and a long "a", though both are considered acceptable.