rhodium
/ˈrəʊdɪəm/noun
mass noun
- the chemical element of atomic number 45, a hard silvery-white metal of the transition series, typically occurring in association with platinum. (Symbol: Rh)（化学元素） 铑（符号： Rh）。
词源
mid 17th cent.: modern Latin, from Greek rhodon 'rose' (from the colour of the solution of its salts).