Definition of samarium noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈmeəriəm//
; NAmE NAmE//ˈmeriəm//
[uncountable] (symbol Sm)
jump to other results
a chemical element. Samarium is a hard silver-white metal used in making strong magnets. Word Originlate 19th cent.: from samar(skite), a mineral in which its spectrum was first observed (named after Samarsky, a 19th-cent. Russian official) + -ium.
See the Oxford Advanced American Dictionary entry: samarium