Solarian UK /səˈlɛəɹ.i.ən/US /səˈlɛɹ.i.ən/adjective 3noun 2forms 3 adjective3 •Of or relating to the Sun. •Of or relating to the Solar System. •Of or relating to the inhabitants of the Solar System.The Solarian one-man ships were even smaller than the Nigrian one-man ships, and some of these did a tremendous amount of damage. — 1930 noun2 •An inhabitant of the Sun. •An inhabitant of any part of the solar system of the Sun.The small ships of the Nigrians were beginning to take a terrific toll in the thin ranks of the Solarians. The coming of the Rocket Squad had been welcomed indeed! — 1930 formsSolarians · more Solarian · most Solarian