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Classic usage
Reading level: hard
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Middle English quyk silver, quyksilver, quikselver, from Old English cwicseolfor (“quicksilver”, literally “living silver”) (see Latin argentum vīvum) from its ability to move. See quick in the sense of "living". Cognate with Dutch kwikzilver, German Low German Quicksülver, German Quecksilber, Danish kviksølv, Norwegian Bokmål kvikksølv, Swedish kvicksilver. By surface analysis, quick (“living”) + silver.
mercury, hydrargyrum, Hg, atomic number 80
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Classic usage
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