Definition of Mercurial
Mercurial
mer·cu·ri·al
Definition/Meaning
(adjective)
tending to have (and show) rapid and unpredictable changes in mind or mood;
e.g. His coworkers were concerned by his mercurial temperament.
(adjective)
relating to or containing the chemical element mercury;
e.g. The active ingredient of this substance is a mercurial compound.
(adjective)
relating in some way to the planet Mercury, for example by one's astrological birth or by having the qualities attributed to the planet (inventiveness/cleverness, thievishness, eloquence);
e.g. His astrological charts showed that he was of mercurial birth.
(noun)
a chemical compound, especially a pharmaceutical drug, that contains mercury;
e.g. They think that a mercurial might be the best cure for this condition.
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