Definition of lanthanium. Meaning of lanthanium. Synonyms of lanthanium

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Definition of lanthanium

lanthanium
Lanthanum Lan"tha*num, n. [NL., fr. Gr. ? to lie hid, to be concealed.] (Chem.) A rare element of the group of the earth metals, allied to aluminium. It occurs in certain rare minerals, as cerite, gadolinite, orthite, etc., and was so named from the difficulty of separating it from cerium, didymium, and other rare elements with which it is usually associated. Atomic weight 138.5. Symbol La. [Formerly written also lanthanium.]

Meaning of lanthanium from wikipedia

- Lanthanum is a chemical element with the symbol La and atomic number 57. It is a soft, ductile, silvery-white metal that tarnishes slowly when exposed...
- 1016/j.nuclphysa.2003.11.001. Mosander, C. G. (1843). "On the new metals, Lanthanium and Didymium, which are ****ociated with Cerium; and on Erbium and Terbium...
- and palladium), lanthanide and actinide complexes (e.g. samarium and lanthanium), as well as Brønsted acids and bases. Many metal-ligand combinations...
- Plasma Device (ETPD) and was re-purposed for basic plasma research. A lanthanium hexaboride (LaB6) plasma source was developed for the ETPD (similar to...