praseodymium

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process

Etymology

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

Synonyms

Pr, atomic number 59

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