TITANYL Meaning of TITANYL in English ˈtīt ə nə̇l, - ə nˌēl; tīˈtan ə l, tə̇ˈt- noun( -s )Etymology: titan- + -yl : the group TiO consisting of titanium and oxygen that is a bivalent radical Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012