rhenium
/ˈriːnɪəm/noun
mass noun
- the chemical element of atomic number 75, a rare silvery-white metal which occurs in trace amounts in ores of molybdenum and other metals. (Symbol: Re)（化学元素）铼（符号： Re）。
词源
1920s: modern Latin, from Rhenus, the Latin name of the river RHINE.