nonmercurial

As a noun terms

is .

As an adjective nonmercurial is

not mercurial; not containing or relating to mercury, the chemical element.

As a noun mercury

is a metal.

As a proper noun Mercury

is the Roman god associated with speed, sometimes used as a messenger. He wore winged sandals. Mercury corresponded to the Greek god Hermes.

As an adjective nonmercurial is

not mercurial; not containing or relating to mercury, the chemical element.

As adjectives the difference between mercurial and nonmercurial

is that mercurial is (often capitalized, see (mercurial)) pertaining to the planet mercury while nonmercurial is not mercurial; not containing or relating to mercury, the chemical element.

As a noun mercurial

is (obsolete) any of the plants known as mercury.