TERBIUM

An Illustrated Encyclopedic Medical Dictionary · 1894 · p. 27

(Lat.). n. n. Te2rb'i-u3m(u4m). From Ylterby, a place in Sweden. Fr., t. Ger., T. A metallic element not yet isolated, acting in compounds as a trivalent radicle. Symbol Tr or Tb. Its existence has been disputed. [B, 3, 8.] [s. 603]