lutetium

noun
lu·​te·​tium | \ lü-ˈtē-sh(ē-)əm How to pronounce lutetium (audio) \

Definition of lutetium

: a metallic chemical element of the rare-earth group that has few practical applications but is sometimes used as a catalyst in cracking and as a radiation source for treatment of certain cancers — see Chemical Elements Table

Examples of lutetium in a Sentence

Recent Examples on the Web The least abundant of these, thulium (Tm) and lutetium (Lu) are 200 times more abundant than gold. Willy Shih, Forbes, 24 Feb. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lutetium.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of lutetium

1907, in the meaning defined above

History and Etymology for lutetium

New Latin, from Latin Lutetia, ancient name of Paris

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The first known use of lutetium was in 1907

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Dictionary Entries Near lutetium

lutestring

lutetium

lutfisk

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Cite this Entry

“Lutetium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lutetium. Accessed 7 Jul. 2022.

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More Definitions for lutetium

lutetium

noun
lu·​te·​tium
variants: also lutecium \ lü-​ˈtē-​sh(ē-​)əm How to pronounce lutetium (audio) \

Medical Definition of lutetium

: a metallic element of the rare-earth group symbol Lu — see Chemical Elements Table

More from Merriam-Webster on lutetium

Britannica.com: Encyclopedia article about lutetium

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