tellurium

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a brittle silver-white metalloid element that is related to selenium and sulfur; it is used in alloys and as a semiconductor; occurs mainly as tellurides in ores of copper and nickel and silver and gold

Etymology

Latin tellūs (“earth”) + -ium

In classic literature

Synonyms

Te, atomic number 52

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