Definition of "lanthanides" [lanthanides]

• Plural form of lanthanide. (noun)

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• "The materials (including scandium, yttrium and a group of elements called the lanthanides) have specific chemical and physical properties that make them useful in improving the performance of computer hard drives and catalytic converters, mobile phones, hi-tech televisions, sunglasses and lasers."
• "The company owns the richest known deposit of rare earths, also known as lanthanides, in the world at Mount Weld, near Laverton in Western Australia."
• "The materials including scandium, yttrium and a group of elements called the lanthanides"