[ mə:'kjʊərɪəl ]
■ adjective
1》 subject to sudden changes of mood or mind.
2》 of or containing the element mercury.
3》 ( Mercurial ) of the planet Mercury.
■ noun a drug containing mercury.
Derivatives
~ity -'alɪti noun
~ly adverb
Origin
ME: from L. ~is 'relating to the god Mercury', from Mercurius 'Mercury'.