Unpredictable, erratic or fickle; mercurial.
To overlay with quicksilver.
To treat with quicksilver.
The metal mercury.
An amalgam of mercury and tin applied to the backs of mirrors, quicksilvering.
Inconstant in purpose, or volatile in behavior.
Lacking regularity or uniformity.
Not held firmly in position, physically unstable.
To render unsteady, removing balance.