dy

Reading level: hard

Estimated CEFR level: C1 — Advanced

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a trivalent metallic element of the rare earth group; forms compounds that are highly magnetic

Etymology

From Middle English dyen, variant of dien (“to die”). More at die.

In classic literature

Synonyms

dysprosium, atomic number 66

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