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thulium

Syllabification: (thu·li·um)
Pronunciation: /ˈTH(y)o͞olēəm/
Definition of thulium

noun

  • the chemical element of atomic number 69, a soft silvery-white metal of the lanthanide series. (Symbol: Tm)

Origin:

late 19th century: modern Latin, from Latin Thule Thule (sense 1), from Greek Thoulē, of unknown origin

thulium in other Oxford dictionaries

Definition of thulium in the British & World English dictionary
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