lanthanide

[ lan-thuh-nahyd, -nid ]

noun

, Chemistry.

1. any element of the lanthanide series.

lanthanide

/ ˈlænθəˌnaɪd; ˈlænθəˌnɒn /

noun

1. any element of the lanthanide series Also calledrare earthrare-earth element

lanthanide

/ 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

Word History and Origins

Origin of lanthanide¹

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

Word History and Origins

Origin of lanthanide¹

C19: from lanthanum + -ide

Example Sentences

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

However, the final list released on Monday does not mention rare earths, a group of 15 lanthanide metallic elements plus the metals scandium and yttrium.

From Reuters