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English
noun
:
atomic number 71
1.
atomic number 71
(substance)
a trivalent metallic element of the rare earth group; usually occurs in association with yttrium
Synonyms
Lu
,
lutecium
,
lutetium
Broader (hypernym)
metal
,
metallic element
Based on WordNet 3.0 copyright © Princeton University.
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. English edition:
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.
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