Quicksilver
Pronunciation : Quick"sil`ver
Part of Speech : n.
Etymology : [Quick living + silver; -- so called from its fluidity; cf. G. quecksilber, L. argentum vivum. See Quick, a.] (Chem.)
Definition : Defn: The metal mercury; -- so called from its resemblance to liquid silver. Quicksilver horizon, a mercurial artificial horizon. See under Horizon. -- Quicksilver water, a solution of mercury nitrate used in artificial silvering; quick water.
Source : Webster's Unabridged Dictionary, 1913