neodymium neodidymium • Neo-egyptian · · · Info · Definitions · Synonyms · Characters · · neodymium · · Text Latin · · Script 9 · · Length 5 · · Syllables Definitions · · · (noun) a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium. Synonyms: Nd, atomic number 60. · · Noun Definition 1 Synonyms · · · nd · · Synonym 1 atomic number 60 · · Synonym 2 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F u latin small letter u U+0075 y latin small letter y U+0079