Definisjon av rare earth element

Vi fant 1 definisjoner av rare earth element på engelsk.

Wiktionary

Substantiv
rare earth element - 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.

Manduca sexta kala azar small-particle pollution genus Lycaeon genus Menippe

Dagens ord

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