英ninth of the ten Heavenly Stems 十天干[shi2 tian1 gan1], ninth in order, letter "I" or roman "IX" in list "A, B, C", or "I, II, III" etc, nona
法grand, car. cycl.
德der neunte der zehn "Himmelsstämme" des chinesischen Kalenders (S), Nonyl, Nonyl-Gruppe (S, Chem)