Definitions for: Erbium

[n] a trivalent metallic element of the rare earth group; occurs with yttrium

Webster (1913) Definition: Er"bi*um, n. [NL. from Ytterby, in Sweden, where
gadolinite is found. Cf. Terbium, Yttrium, Ytterbium.]
(Chem.)
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.

Er"bi*um, n. [NL. Named from Ytterby, in Sweden, where
gadolinite is found. Cf. Terbium, Yttrium, Ytterbium.]
(Chem.)
A metallic element of the rare earth group, found in
gadolinite and some other minerals. Symbol, Er; at. wt.
167.4. Its salts are rose-colored and give characteristic
spectra.

Synonyms: atomic number 68, Er

See Also: fergusonite, gadolinite, metal, metallic element, ytterbite

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