Mercurial

·noun A preparation containing mercury.

II. Mercurial ·noun A person having mercurial qualities.

III. Mercurial ·adj Caused by the use of mercury; as, mercurial sore mouth.

IV. Mercurial ·adj Having the form or image of Mercury;

— applied to ancient guideposts.

V. Mercurial ·adj Of or pertaining to Mercury as the god of trade; hence, money-making; crafty.

VI. Mercurial ·adj Of or pertaining to, or containing, mercury; as, mercurial preparations, barometer. ·see Mercury, 2.

VII. Mercurial ·adj Having the qualities fabled to belong to the god Mercury; swift; active; sprightly; fickle; volatile; changeable; as, a mercurial youth; a mercurial temperament.