Quicksilver

Noun

 * 1) The metal mercury.
 * 2)  An amalgam of mercury and tin applied to the backs of mirrors, quicksilvering.

Adjective

 * 1) Unpredictable, erratic or fickle; mercurial.

Verb

 * 1) To overlay with quicksilver.
 * 2) To treat with quicksilver.

Thesaurus
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