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.