lanthanide

American  

[lan-thuh-nahyd, -nid] / ˈlæn θəˌnaɪd, -nɪd /

noun

Chemistry.

1. any element of the lanthanide series.

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lanthanide British  

/ ˈlænθəˌnaɪd, ˈlænθəˌnɒn /

noun

1. Also called: rare earth.   rare-earth element.  any element of the lanthanide series

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lanthanide Scientific  

/ lăn′thə-nīd′ /

1. 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.

2. Also called rare-earth element

3. See Periodic Table

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Etymology

Origin of lanthanide

First recorded in 1925–30; lanthan(um) + -ide ( def. )

Example Sentences

In this design, however, the energy from the triplet state is transferred with more than 98% efficiency to the lanthanide ions inside the insulating nanoparticles, causing them to emit light with remarkable brightness.

From Science Daily

Thus, they exposed the secrets of this extremely rare lanthanide, whose atomic number is 61, in a series of meticulous experiments.

From Science Daily

To use them, industry must separate mixed lanthanide sources into individual elements using costly, time-consuming, and waste-generating procedures.

From Science Daily

However, these hopes quickly died out, as the chloride batteries were considered impractical due to their heavy reliance on expensive rare earth metals, including yttrium, scandium, and lanthanide elements, as secondary components.

From Science Daily

In a statement on Tuesday, Lynas said the change to its licence will allow its Malaysian facility to continue to import and process lanthanide concentrate from its mine in Western Australia.

From Reuters