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lu·te·tium | \ lü-ˈtē-sh(ē-)əm 
\
\Definition of lutetium
: a metallic element of the rare-earth group — see Chemical Elements Table
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More Definitions for lutetium
lutetium
nounlu·te·tium
variants:
also lutecium \ lü-ˈtē-sh(ē-)əm \
\Medical Definition of lutetium
: a metallic element of the rare-earth group
—symbol Lu — see Chemical Elements Table
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Time Traveler for lutetium
The first known use of lutetium was in 1907
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