Definition of lutetium in English:

lutetium

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

noun

[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.

Origin

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

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