See Also: erbium(medicine)
erbium(dictionary)
erbium (iou)
erbium noun. M19.
[from Ytterby, Sweden (cf. YTTERBIUM) + -IUM.]
A soft malleable metallic chemical element of the lanthanide series, atomic no. 68, used in special alloys. (Symbol Er.)
erbia noun erbium oxide, Er2O3, a pink powder M19.
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