ytterbium Definition
yt·ter·bium (i tʉr′bē əm)
noun
a scarce, divalent or trivalent, silvery, malleable chemical element, one of the rare-earth elements, found with yttrium in gadolinite and certain other minerals: symbol, Yb; at. no., 70
Etymology: ModL, contr. < neoytterbium, so named (1907) by its discoverer, G. Urbain (see lutetium) < ytterbia, ytterbium oxide, name coined (1878) by J.-C. G. de Marignac, Swiss chemist who isolated it, after Ytterby: see erbium
ytterbium (Yb) Telecom Definition
A rare divalent or trivalent, silvery, soft, malleable, and ductile metallic rare-earth element.Ytterbium has little practical application. Number 70 in the Periodic Table of Elements, ytterbium is named for the village of Ytterby, Sweden, where it was discovered. So were erbium, yttrium, and terbium. See also erbium and television.
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