Definition of lutetium in English:


Line breaks: lu|te¦tium
Pronunciation: /luːˈtiːʃɪəm
, -sɪəm/
(also lutecium)


[mass noun]
The chemical element of atomic number 71, a rare silvery-white metal of the lanthanide series. (Symbol: Lu)
More example sentences
  • The gadolinium and lutetium exceptions result in a marked increase in radius compared to the slight decrease in metal atom radius for the other elements.
  • This finding provides support for the ongoing development of more solubilized versions of lutetium texaphyrin as photosensitizers for use in the diagnosis and PDT of cancerous disease.
  • Because lutetium is so expensive (currently, about $75 a gram), it has almost no commercial use.


early 20th century: from French lutécium, from Latin Lutetia, the ancient name of Paris, the home of its discoverer.

Definition of lutetium in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day rebuff
Pronunciation: rɪˈbʌf
reject (someone or something) in an abrupt manner…