Quicksilver definition

kwĭksĭlvər
Of or like mercury.
adjective
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Suggestive of mercury; specif., quick, lively, brilliant, etc.
adjective
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(1) (QuickSilver Technology, Inc., San Jose, CA) A mobile communications company that specialized in a reconfigurable logic chip for cellphones and PDAs. The company closed its doors in early 2015. See adaptive computing.
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The metal mercury.
noun
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(colloquial) An amalgam of mercury and tin applied to the backs of mirrors, quicksilvering.
noun
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adjective
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To overlay with quicksilver.
verb
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To treat with quicksilver.
verb
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Unpredictable; mercurial.
adjective
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Mercury.
noun
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To cover with mercury.
verb
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Origin of quicksilver

  • Middle English from Old English cwicseolfor living silver (translation of Latin argentum vīvum) cwic, cwicu alive gwei- in Indo-European roots seolfor silver silver

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle English quyksilver, from Old English cwicseolfor. Literally "living silver" from its ability to move. See quick in the sense of living.

    From Wiktionary