Definition of terbium noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈtɜːbiəm//
; NAmE NAmE//ˈtɜːrbiəm//
[uncountable] (symbol Tb)
jump to other results
a chemical element. Terbium is a silver-white metal used in lasers, X-rays and television tubes. Word Originmid 19th cent.: modern Latin, from Ytterby, the name of a village in Sweden where it was discovered. Compare with erbium and ytterbium.
See the Oxford Advanced American Dictionary entry: terbium