| | Erbium: English to Bangla |  |  | 
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				| Erbium: English to English |  | Erbium (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. |  |