Of a mineral: containing some titanium in place of a proportion of a normal constituent element.
Early 19th century (in an earlier sense). From titani- + -an.
Of or relating to the Titans; characteristic of or resembling the Titans, especially in size or power; titanic; colossal, gigantic.
Early 17th century (in an earlier sense). From classical Latin Tītānius of or belonging to the Titans, of or belonging to the sun (from Tītān + -ius, suffix forming adjectives) + -an.
Of or situated on Titan, the largest of Saturn's moons.
1930s. From Titan + -ian.