Thesaurus: erbium

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1. n. A rare metallic element associated with several other rare elements in the mineral gadolinite from Ytterby in Sweden. Symbol Er. Atomic weight 165.9. Its salts are rose-colored and give characteristic spectra. Its sesquioxide is called erbia.
2. n. a trivalent metallic element of the rare earth group; occurs with yttrium
3. A rare metallic element associated with several other rare elements in the mineral gadolinite from Ytterby in Sweden. Symbol Er. Atomic weight 165.9. Its salts are rose-colored and give characteristic spectra. Its sesquioxide is called erbia.
4. A rare metallic element associated with several other rareelements in the mineral gadolinite from Ytterby in Sweden. Symbol Er.Atomic weight 165.9. Its salts are rose-colored and givecharacteristic spectra. Its sesquioxide is called erbia.
5. n:100 n. a trivalent metallic element of the rare earth group; occurs with yttrium