praseodymium

Definition

A chemical element (symbol Pr) with an atomic number of 59, a soft, silvery, malleable and ductile rare earth metal, valued for its magnetic, electrical, chemical, and optical properties.

Etymology

From Ancient Greek πράσιος (prásios, “leek-green”) + didymium.

Example Sentences

• "But the government also gave MP Materials a decade-long guaranteed price floor for its products, such as the rare earths neodymium-praseodymium, at twice recent market rates (leaving aside the fact prices have soared this week as MP Materials has cut ties with China)."

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