Terbium : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: Terbium	by the DICT Development Group
3 results for Terbium
From WordNet (r) 3.0 (2006) [wn]:
terbium n a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite Synonym(s): terbium, Tb, atomic number 65
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Terbium \Ter"bi*um\, n. [NL., fr. Ytterby, in Sweden. See {Erbium}.] (Chem.) A rare metallic element, of uncertain identification, supposed to exist in certain minerals, as gadolinite and samarskite, with other rare ytterbium earth. Symbol Tr or Tb. Atomic weight 150.
From The Elements (22Oct97) [elements]:
terbium Symbol: Tb Atomic number: 65 Atomic weight: 158.924 Silvery metallic element belonging to the lanthanoids. Tb-159 is the only stable isotope, there are seventeen artificial isotopes. Discovered by G.G. Mosander in 1843.