Lexic.us

Definition of Lutecium

1. Noun. A trivalent metallic element of the rare earth group; usually occurs in association with yttrium.

Definition of Lutecium

1. n. A metallic element separated from ytterbium in 1907, by Urbain in Paris and by von Welsbach in Vienna. Symbol, Lu; at. wt. 174.0.

Definition of Lutecium

1. Noun. (obsolete) lutetium ¹

¹ Source: wiktionary.com

Definition of Lutecium

1. lutetium [n -S] - See also: lutetium

Medical Definition of Lutecium

1. Lutetium. An element of the rare earth family of metals. It has the atomic symbol lu, atomic number 71, and atomic weight 175. Chemical name: Lutetium (12 Dec 1998)

Lexicographical Neighbors of Lutecium

Literary usage of Lutecium

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Treatise on Chemistry by Henry Enfield Roscoe, John Cannell Cain, Carl Schorlemmer (1913)
"lutecium. Lu = i74-o. 373 The element known as ytterbium was discovered by ... has resolved it into two elements which he terms lutecium and neo-ytterbium; ..."

2. The Metals of the Rare Earths by James Frederick Spencer (1919)
"The chemistry of lutecium is in the same state as that of ytterbium. The oxide is white, but coloured yellow if the slightest trace of thulium is present . ..."

3. Proceedings of the Cambridge Philosophical Society by Cambridge Philosophical Society (1843)
"/^-period must be assigned to an excited state of the isotope of lutecium of mass 176, since a stable isotope of lutecium of mass 177 does not exist. ..."

4. The Chemical News and Journal of Industrial Science (1908)
"The element with atomic weight about 174 I called lutecium, and I gave the name ... From this it is seen that lutecium is a weaker base than neo-ytterbium. ..."

5. Proceedings of the American Pharmaceutical Association at the Annual Meeting by American Pharmaceutical Association, National Pharmaceutical Convention (1912)
"While he has so far only obtained it in a highly concentrated state, he has determined its position in the spectrum and compared it with those of lutecium, ..."

6. Journal of the American Chemical Society by American Chemical Society (1908)
"Ytterbium and lutecium. According to Urbain,2 ytterbium is a mixture of two ... The atomic weight of neo-ytterbium is not far from 170; that of lutecium is ..."

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