Akademik

samarium
n. Chem. a soft silvery metallic element of the lanthanide series, occurring naturally in monazite etc. and used in making ferromagnetic alloys.
Usage:
Symb.: Sm.
Etymology: samarskite the mineral in which its spectrum was first observed, f. Samarski name of a 19th-c. Russ. official

Useful english dictionary. 2012.