BabelNet

bn:00049950n

Noun Concept

Categories: Metallic elements, long volume value, Rare earth elements, Periodic table, Lanthanides

rare earth rare-earth element lanthanoid lanthanide lanthanon

Any element of the lanthanide series (atomic numbers 57 through 71) WordNet 3.0

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Any element of the lanthanide series (atomic numbers 57 through 71) WordNet 3.0 & Open English WordNet

The rare-earth elements, also called the rare-earth metals or rare earths or, in context, rare-earth oxides, and sometimes the lanthanides, are a set of 17 nearly indistinguishable lustrous silvery-white soft heavy metals. Wikipedia

The lanthanide or lanthanoid series of chemical elements comprises the 14 metallic chemical elements with atomic numbers 57–70, from lanthanum through ytterbium. Wikipedia

Trivalent metallic rare earth elements Wikidata

Any of the fifteen lanthanides plus scandium and yttrium Wikidata

Any of the 15 chemical elements from lanthanum (atomic number 57) to lutetium (atomic number 71) with very similar chemistry. OmegaWiki

Any of the 14 rare earth elements from cerium (or from lanthanum) to lutetium in the periodic table; because their outermost orbitals are empty, they have very similar chemistry; below them are the actinides. Wiktionary

Any of the 14 rare earth elements. Wiktionary (translation)

Lanthanide. Wiktionary

Any of a group of seventeen soft, lustrous, sometimes magnetic metals that form trivalent salts; they include the lanthanides plus yttrium, scandium, thorium and sometimes zirconium. Wiktionary

Type of metal. Wiktionary (translation)

Rare earth element. Wiktionary

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