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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
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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"
    ]
}