samarium Samaritanism • Samarkand · · · Info · Definitions · Synonyms · Characters · · samarium · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite. Synonyms: Sm, atomic number 62. · · Noun Definition 1 Synonyms · · · sm · · Synonym 1 atomic number 62 · · Synonym 2 Characters · · a latin small letter a U+0061 i latin small letter i U+0069 m latin small letter m U+006D r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075