Definition of lutetium in English:
lutetium
(also lutecium)
noun luːˈtiːʃɪəmluːˈtiːsɪəmluˈtiʃ(i)əm
mass nounThe chemical element of atomic number 71, a rare silvery-white metal of the lanthanide series.
Example sentencesExamples
- 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.
- Because lutetium is so expensive (currently, about $75 a gram), it has almost no commercial use.
- In 1907 lutetium was extracted from ytterbia (and identified by the Latin name for Paris, where its isolator Georges Urbain was born).
- 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.
- At least in the solid state, these latter are bound to the lutetium center as axial ligands.
Origin
Early 20th century: from French lutécium, from Latin Lutetia, the ancient name of Paris, the home of its discoverer.
Definition of lutetium in US English:
lutetium
nounlo͞oˈtēSH(ē)əmluˈtiʃ(i)əm
The chemical element of atomic number 71, a rare silvery-white metal of the lanthanide series.
Example sentencesExamples
- 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.
- In 1907 lutetium was extracted from ytterbia (and identified by the Latin name for Paris, where its isolator Georges Urbain was born).
- 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.
- At least in the solid state, these latter are bound to the lutetium center as axial ligands.
- 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.