rindexruthenious./roo-thee-nee-uhs, -theen-yuhs/US // ruˈθi ni əs, -ˈθin yəs //UK // (ruːˈθiːnɪəs) //钌,钌的,钌钌,钌钌的Definitionsadj.adjective · 形容词1. Chemistry.›containing bivalent ruthenium. Level 3More words in r →