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Deprecated: Return type of YamlDataTable::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/bdavid/prod/georef/yamldoc/ydclasses/yamldata.inc.php on line 295
eurovoc (pub)
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inScheme:
  - 100141
  - 100269
prefLabel:
  en: 'rare earth'
  fr: 'terres rares'
altLabel:
  en:
    - 'rare earth metal'
    - REE
    - 'rare earth element'
    - lanthanide
    - scandium
    - yttrium
  fr:
    - 'métal des terres rares'
    - 'métaux des terres rares'
    - lanthanide
    - 'élément de terre rare'
    - scandium
    - yttrium
definition:
  en: "One of a set of seventeen chemical elements in the periodic table, specifically the fifteen lanthanides plus scandium and yttrium.\n"
  fr: "Ensemble de dix-sept éléments chimiques classés dans le tableau périodique, dont les quinze lanthanides ainsi que le scandium et l’yttrium.\n"
broader:
  - 3809
notation:
  - c_b9c60592