'Quicksilver horizon' definitions:

Definition of 'Quicksilver horizon'

From: GCIDE

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