HyperDic: atomic_number_68

English > 1 sense of the expression atomic number 68:
NOUNsubstanceatomic number 68, erbium, Era trivalent metallic element of the rare earth group
English > atomic number 68: 1 sense > noun 1, substance
MeaningA trivalent metallic element of the rare earth group; occurs with yttrium.
Synonymserbium, Er
Broadermetallic element, metalAny of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
Substance offergusoniteA dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals
gadolinite, ytterbiteA mineral that is a source of rare earths
Spanisherbio, Er, número atómico 68
Catalanerbi, número atòmic 68

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