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lanthanide
(redirected from Lanthanides)

    Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
lan·tha·nide  (lnth-nd)
n.
See rare-earth element.
[lanthan(um) + -ide.]
lanthanide  (lnth-nd)
Any of a series of 15 naturally occurring metallic elements. The lanthanides include elements having atomic numbers 57 (lanthanum) through 71 (lutetium). They are grouped apart from the rest of the elements in the Periodic Table because they all behave in a similar way in chemical reactions. Also called rare-earth element. See Periodic Table.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.lanthanide - any element of the lanthanide series (atomic numbers 57 through 71)
lanthanoid, lanthanon, rare earth, rare-earth element
group, grouping - any number of entities (members) considered as a unit
terbium metal - a separate group of related lanthanides, including terbium, europium, gadolinium, and sometimes dysprosium
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The emphasis of this announcement is on the ions, complexes, and organometallic compounds of the transition metals known as lanthanides and actinides, post-transition metals, and metalloid elements.
Metals in medicine by Environmental Health Perspectives
Experiments at low energy, below 8 keV, at the K edges of the early transition metals and the L edges of early lanthanides have been more difficult to perform, because of absorption by the Be windows in the beam line and by the samples themselves.
The high resolution powder diffraction beam line at ESRF by Fitch, A.N. / Journal of Research of the National Institute of Standards and Technology
The last major change to the table was in the 1940s, when Nobel Laureate Glenn Seaborg at the University of California, Berkeley created a separate group for the lanthanides and actinides--the rare earth and radioactive elements.
The nature of things: attempts to change the periodic table raise ... by Goho, Alexandra / Science News
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