bis

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals

Etymology

Learned borrowing from Latin bis (“twice”).

Synonyms

bismuth, Bi, atomic number 83

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