gadolinite gadolinic • gadolinium · · · Info · Definitions · Synonyms · Characters · · gadolinite · · Text Latin · · Script 10 · · Length Definitions · · · (noun) a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium. Synonyms: ytterbite. · · Noun Definition 1 Synonyms · · · ytterbite · · Synonym 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074