thoria
Tho"ri*a, n. Etym: [NL. See Thorite.] (Chem.) Defn: A rare white earthy substance, consisting of the oxide of thorium; -- formerly called also thorina.
Tho"ri*a, n. Etym: [NL. See Thorite.] (Chem.) Defn: A rare white earthy substance, consisting of the oxide of thorium; -- formerly called also thorina.